{"id":19799,"date":"2025-07-07T10:15:04","date_gmt":"2025-07-07T03:15:04","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=19799"},"modified":"2025-07-08T09:05:13","modified_gmt":"2025-07-08T02:05:13","slug":"luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/","title":{"rendered":"L\u01b0u hu\u1ef3nh l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Luu_huynh_la_gi\" >L\u01b0u hu\u1ef3nh l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Nhung_tinh_chat_vat_ly_cua_luu_huynh\" >Nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a l\u01b0u hu\u1ef3nh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Dang_hinh_thu_cua_luu_huynh\" >D\u1ea1ng h\u00ecnh th\u00f9 c\u1ee7a l\u01b0u hu\u1ef3nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Anh_huong_cua_nhiet_do_den_tinh_chat_vat_ly_cua_luu_huynh\" >\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a l\u01b0u hu\u1ef3nh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tinh_chat_hoa_hoc_cua_luu_huynh\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a l\u01b0u hu\u1ef3nh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tinh_chat_cua_luu_huynh_khi_tac_dung_voi_kim_loai_va_Hidro\" >T\u00ednh ch\u1ea5t c\u1ee7a l\u01b0u hu\u1ef3nh khi t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i v\u00e0 Hidro<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tac_dung_voi_hidro\" >T\u00e1c d\u1ee5ng v\u1edbi hidro<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tac_dung_voi_kim_loai\" >T\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tac_dung_voi_phi_kim\" >T\u00e1c d\u1ee5ng v\u1edbi phi kim<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Dieu_che_luu_huynh_nhu_the_nao\" >\u0110i\u1ec1u ch\u1ebf l\u01b0u hu\u1ef3nh nh\u01b0 th\u1ebf n\u00e0o?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Trong_phong_thi_nghiem\" >Trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Trong_cong_nghiep\" >Trong c\u00f4ng nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Nhung_ung_dung_quan_trong_cua_luu_huynh_trong_cong_nghiep_va_doi_song\" >Nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a l\u01b0u hu\u1ef3nh trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bot_luu_huynh_co_tac_dung_gi_trong_cong_nghiep\" >B\u1ed9t l\u01b0u hu\u1ef3nh c\u00f3 t\u00e1c d\u1ee5ng g\u00ec trong c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Ung_dung_cua_luu_huynh_trong_lam_dep\" >\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u hu\u1ef3nh trong l\u00e0m \u0111\u1eb9p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Ung_dung_cua_luu_huynh_trong_nong_nghiep\" >\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u hu\u1ef3nh trong n\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Ung_dung_luu_huynh_trong_y_hoc\" >\u1ee8ng d\u1ee5ng l\u01b0u hu\u1ef3nh trong y h\u1ecdc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Luu_huynh_co_doc_khong_Nhung_anh_huong_tieu_cuc_cua_luu_huynh_den_moi_truong_va_con_nguoi\" >L\u01b0u hu\u1ef3nh c\u00f3 \u0111\u1ed9c kh\u00f4ng? Nh\u1eefng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c c\u1ee7a l\u01b0u hu\u1ef3nh \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 con ng\u01b0\u1eddi<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Luu_huynh_co_doc_khong\" >L\u01b0u hu\u1ef3nh c\u00f3 \u0111\u1ed9c kh\u00f4ng?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Nhung_anh_huong_tieu_cuc_cua_luu_huynh\" >Nh\u1eefng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c c\u1ee7a l\u01b0u hu\u1ef3nh<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tac_dong_den_suc_khoe_con_nguoi\" >T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tac_dong_den_sinh_vat_duoi_nuoc\" >T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Tac_dong_den_moi_truong_song\" >T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ed1ng<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Luu_y_khi_su_dung_va_cach_luu_tru_bao_quan_luu_huynh\" >L\u01b0u \u00fd khi s\u1eed d\u1ee5ng v\u00e0 c\u00e1ch l\u01b0u tr\u1eef, b\u1ea3o qu\u1ea3n l\u01b0u hu\u1ef3nh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Su_dung_luu_huynh_can_luu_y_nhung_gi\" >S\u1eed d\u1ee5ng l\u01b0u hu\u1ef3nh c\u1ea7n l\u01b0u \u00fd nh\u1eefng g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Cach_luu_tru_va_bao_quan_luu_huynh\" >C\u00e1ch l\u01b0u tr\u1eef v\u00e0 b\u1ea3o qu\u1ea3n l\u01b0u hu\u1ef3nh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Mot_so_hop_chat_pho_bien_cua_luu_huynh\" >M\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t ph\u1ed5 bi\u1ebfn c\u1ee7a l\u01b0u hu\u1ef3nh\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bai_tap_ve_luu_huynh_SGK_Hoa_hoc_10_kem_loi_giai\" >B\u00e0i t\u1eadp v\u1ec1 l\u01b0u hu\u1ef3nh SGK H\u00f3a h\u1ecdc 10 k\u00e8m l\u1eddi gi\u1ea3i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bai_tap_1_trang_132_SGK_Hoa_10\" >B\u00e0i t\u1eadp 1 trang 132 SGK H\u00f3a 10<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bai_tap_2_Hoa_10_SGK_trang_132\" >B\u00e0i t\u1eadp 2 Ho\u00e1 10 SGK trang 132<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bai_tap_3_SGK_Hoa_10_trang_132\" >B\u00e0i t\u1eadp 3 SGK H\u00f3a 10 trang 132<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bai_tap_4_trang_132_SGK_Hoa_10\" >B\u00e0i t\u1eadp 4 trang 132 SGK H\u00f3a 10<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bai_tap_5_Hoa_10_SGK_trang_132\" >B\u00e0i t\u1eadp 5 Ho\u00e1 10 SGK trang 132<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.ckconitsha.com\/vn\/luu-huynh-la-gi-tinh-chat-dac-trung-va-nhung-ung-dung-pho-bien-nhat\/#Bai_tap_ve_luu_huynh_tu_co_ban_de_nang_cao_de_hoc_sinh_luyen_tap\" >B\u00e0i t\u1eadp v\u1ec1 l\u01b0u hu\u1ef3nh t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ec3 n\u00e2ng cao \u0111\u1ec3 h\u1ecdc sinh luy\u1ec7n t\u1eadp<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">C\u00f3 t\u1edbi 4.610.000 k\u1ebft qu\u1ea3 trong v\u00f2ng 0,35 gi\u00e2y khi t\u00ecm ki\u1ebfm t\u1eeb kh\u00f3a \u201ct\u00e1c h\u1ea1i c\u1ee7a l\u01b0u hu\u1ef3nh\u201d tr\u00ean google. V\u1eady l\u01b0u hu\u1ef3nh l\u00e0 g\u00ec, c\u00f3 \u0111\u1ed9c hay kh\u00f4ng? C\u00f9ng t\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a lo\u1ea1i ch\u1ea5t ph\u1ed5 bi\u1ebfn n\u00e0y.\u00a0<\/p>\n<p>                                                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img_default\/monkey3.png\" alt=\"\"><\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a m\u00ecnh th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 l\u1ed9 tr\u00ecnh h\u1ecdc cho con.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i h\u1ecd t\u00ean<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i S\u0110T<\/p>\n<p>                                                                                Th\u00e0nh th\u1ea1o 2.000+ t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng anh<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng anh<br \/>\n                                                                                Gi\u1ecfi To\u00e1n &#8211; ti\u1ebfng Anh theo ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n EQ &amp; kh\u1ea3 n\u0103ng ti\u1ebfng Vi\u1ec7t<\/p>\n<p>                                                                                *B\u1ea1n ch\u01b0a ch\u1ecdn m\u1ee5c n\u00e0o!<\/p>\n<p>                                                                    \u0110\u0103ng K\u00fd T\u01b0 V\u1ea5n Mi\u1ec5n Ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luu_huynh_la_gi\"><\/span>L\u01b0u hu\u1ef3nh l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh (c\u00f2n c\u00f3 t\u00ean kh\u00e1c l\u00e0 sulfur, l\u01b0u ho\u00e0ng hay di\u00eam sinh) l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc n\u1eb1m trong b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00f3 k\u00fd hi\u1ec7u S v\u00e0 s\u1ed1 nguy\u00ean t\u1eed 16. Ngo\u00e0i ra, \u0111\u00e2y c\u00f2n l\u00e0 m\u1ed9t phi kim ph\u1ed5 bi\u1ebfn, kh\u00f4ng m\u00f9i, kh\u00f4ng v\u1ecb, nhi\u1ec1u h\u00f3a tr\u1ecb. D\u1ea1ng g\u1ed1c c\u1ee7a l\u01b0u hu\u1ef3nh l\u00e0 ch\u1ea5t r\u1eafn k\u1ebft tinh m\u00e0u v\u00e0ng chanh, \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 thi\u1ebft y\u1ebfu cho s\u1ef1 s\u1ed1ng v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong 2 axit amin.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-2.jpg\" alt=\"L\u01b0u hu\u1ef3nh l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc n\u1eb1m trong b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00f3 k\u00fd hi\u1ec7u S v\u00e0 s\u1ed1 nguy\u00ean t\u1eed 16. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh c\u00f3 \u1edf \u0111\u00e2u?<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Trong t\u1ef1 nhi\u00ean, l\u01b0u hu\u1ef3nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf d\u1ea1ng \u0111\u01a1n ch\u1ea5t, trong c\u00e1c kho\u00e1ng ch\u1ea5t sulfua v\u00e0 sulfat.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u01b0u hu\u1ef3nh d\u1ea1ng \u0111\u01a1n ch\u1ea5t xu\u1ea5t hi\u1ec7n xung quanh c\u00e1c su\u1ed1i n\u01b0\u1edbc n\u00f3ng, c\u00e1c khu v\u1ef1c n\u00fai l\u1eeda t\u1ea1i nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, \u0111\u1eb7c bi\u1ec7t l\u00e0 khu v\u1ef1c d\u1ecdc theo v\u00e0nh \u0111ai l\u1eeda Th\u00e1i B\u00ecnh D\u01b0\u01a1ng.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">S\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed: 16<\/p>\n<p dir=\"ltr\">V\u1ecb tr\u00ed: thu\u1ed9c nh\u00f3m VIA, chu k\u00ec 3 trong b\u1ea3ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc.<\/p>\n<p dir=\"ltr\">C\u1ea5u h\u00ecnh e: 1s22s22p63s23p4 v\u1edbi 6 e l\u1edbp ngo\u00e0i c\u00f9ng.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_tinh_chat_vat_ly_cua_luu_huynh\"><\/span>Nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a l\u01b0u hu\u1ef3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh mang nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd sau \u0111\u00e2y:\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-3.jpg\" alt=\"T\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a l\u01b0u hu\u1ef3nh. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tr\u1ea1ng th\u00e1i: \u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, l\u01b0u hu\u1ef3nh l\u00e0 m\u1ed9t ch\u1ea5t r\u1eafn x\u1ed1p c\u00f3 m\u00e0u v\u00e0ng nh\u1ea1t. L\u01b0u hu\u1ef3nh trong tr\u1ea1ng th\u00e1i n\u00e0y th\u00f4ng th\u01b0\u1eddng t\u1ed3n t\u1ea1i nh\u01b0 c\u00e1c ph\u00e2n t\u1eed v\u00f2ng d\u1ea1ng v\u00f2ng hoa S8. B\u00ean c\u1ea1nh \u0111\u00f3, n\u00f3 c\u00f2n mang nhi\u1ec1u h\u00ecnh th\u00f9 kh\u00e1c. Lo\u1ea1i m\u1ed9t nguy\u00ean t\u1eed t\u1eeb v\u00f2ng s\u1ebd l\u00e0 S7, \u0111\u00e2y ch\u00ednh l\u00e0 nguy\u00ean nh\u00e2n cho m\u00e0u v\u00e0ng \u0111\u1eb7c tr\u01b0ng c\u1ee7a n\u00f3. Ngo\u00e0i ra, l\u01b0u hu\u1ef3nh c\u00f2n t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng v\u00f4 \u0111\u1ecbnh h\u00ecnh, hay c\u00f2n g\u1ecdi l\u00e0 l\u01b0u hu\u1ef3nh d\u1ebbo.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tinh th\u1ec3: L\u01b0u hu\u1ef3nh c\u00f3 tinh th\u1ec3 r\u1ea5t ph\u1ee9c t\u1ea1p, ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau. C\u00e1c d\u1ea1ng h\u00ecnh th\u00f9 c\u1ee7a ch\u00fang t\u1ea1o th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac tinh th\u1ec3 kh\u00e1c nhau, c\u00f3 th\u1ec3 l\u00e0 c\u00e1c d\u1ea1ng h\u00ecnh thoi v\u00e0 xi\u00ean \u0111\u01a1n S8 l\u00e0 c\u00e1c d\u1ea1ng tinh th\u1ec3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u t\u1ec9 m\u1ec9 nh\u1ea5t.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">M\u00f9i: L\u01b0u hu\u1ef3nh kh\u00f4ng \u0111\u01b0\u1ee3c \u01b0a th\u00edch do m\u00f9i c\u1ee7a n\u00f3 kh\u00e1 gi\u1ed1ng v\u1edbi m\u00f9i tr\u1ee9ng ung &#8211; \u0111\u00e2y l\u00e0 \u0111\u1eb7c tr\u01b0ng c\u1ee7a hydro sulfide (H2S). L\u01b0u hu\u1ef3nh \u0111\u01a1n ch\u1ea5t kh\u00f4ng c\u00f3 m\u00f9i. Khi ch\u00e1y, n\u00f3 t\u1ea1o ra ng\u1ecdn l\u1eeda m\u00e0u xanh lam v\u00e0 t\u1ecfa ra l\u01b0u hu\u1ef3nh dioxide\u00a0&#8211; m\u1ed9t m\u00f9i ng\u1ed9t ng\u1ea1t kh\u00e1c th\u01b0\u1eddng.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ea3 n\u0103ng h\u00f2a tan: L\u01b0u hu\u1ef3nh kh\u00f4ng h\u00f2a tan trong n\u01b0\u1edbc nh\u01b0ng l\u1ea1i h\u00f2a tan \u0111\u01b0\u1ee3c trong cacbon disulfide\u00a0v\u00e0 c\u00e1c dung m\u00f4i kh\u00f4ng ph\u00e2n c\u1ef1c kh\u00e1c.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e1c m\u1ee9c oxi h\u00f3a: L\u01b0u hu\u1ef3nh c\u00f3 c\u00e1c m\u1ee9c oxi h\u00f3a l\u00e0: -2, -1 (pirit s\u1eaft&#8230;), +2, +4, +6. L\u01b0u hu\u1ef3nh c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t \u1ed5n \u0111\u1ecbnh v\u1edbi h\u1ea7u h\u1ebft m\u1ecdi nguy\u00ean t\u1ed1, ngo\u1ea1i tr\u1eeb c\u00e1c kh\u00ed tr\u01a1.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u00f3ng ch\u1ea3y: L\u01b0u hu\u1ef3nh n\u00f3ng ch\u1ea3y th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 nh\u1edbt, \u0111\u00e2y c\u0169ng l\u00e0 t\u00ednh ch\u1ea5t n\u1ed5i b\u1eadt c\u1ee7a phi kim n\u00e0y.\u00a0 \u0110\u1ed9 nh\u1edbt c\u1ee7a l\u01b0u hu\u1ef3nh t\u0103ng l\u00ean theo nhi\u1ec7t \u0111\u1ed9 do s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c chu\u1ed7i polyme. Tuy nhi\u00ean, sau khi \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, \u0111\u1ed9 nh\u1edbt l\u1ea1i b\u1ecb gi\u1ea3m xu\u1ed1ng v\u00ec \u0111\u00e3 \u0111\u1ee7 n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1 v\u1ee1 chu\u1ed7i polymer.\u00a0<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_hinh_thu_cua_luu_huynh\"><\/span>D\u1ea1ng h\u00ecnh th\u00f9 c\u1ee7a l\u01b0u hu\u1ef3nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh c\u00f3 hai d\u1ea1ng th\u00f9 h\u00ecnh, l\u00e0 l\u01b0u hu\u1ef3nh t\u00e0 ph\u01b0\u01a1ng S\u03b1 v\u00e0 l\u01b0u hu\u1ef3nh \u0111\u01a1n t\u00e0 S\u03b2. Hai d\u1ea1ng th\u00f9 h\u00ecnh n\u00e0y kh\u00e1c nhau v\u1ec1 c\u1ea5u t\u1ea1o tinh th\u1ec3 v\u00e0 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t v\u1eadt l\u00ed, nh\u01b0ng l\u1ea1i mang t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc gi\u1ed1ng nhau. Hai d\u1ea1ng l\u01b0u hu\u1ef3nh S\u03b1 v\u00e0 S\u03b2 n\u00e0y c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i qua l\u1ea1i v\u1edbi nhau t\u00f9y theo \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9. Theo d\u00f5i b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 hi\u1ec3u chi ti\u1ebft s\u1ef1 bi\u1ebfn \u0111\u1ed5i qua l\u1ea1i n\u00e0y:\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-4.jpg\" alt=\"Hai d\u1ea1ng l\u01b0u hu\u1ef3nh S\u03b1 v\u00e0 S\u03b2 c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i qua l\u1ea1i v\u1edbi nhau t\u00f9y theo \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Anh_huong_cua_nhiet_do_den_tinh_chat_vat_ly_cua_luu_huynh\"><\/span>\u1ea2nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a l\u01b0u hu\u1ef3nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a l\u01b0u hu\u1ef3nh c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed5i r\u00f5 r\u1ec7t theo nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. C\u1ee5 th\u1ec3 l\u00e0:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u1ede nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi 113 \u0111\u1ed9: S\u03b1 v\u00e0 S\u03b2 \u0111\u1ec1u l\u00e0 ch\u1ea5t r\u1eafn m\u00e0u v\u00e0ng. Trong ph\u00e2n t\u1eed c\u00f3 8 nguy\u00ean t\u1eed li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb v\u1edbi nhau t\u1ea1o m\u1ea1ch v\u00f2ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u1ede nhi\u1ec7t \u0111\u1ed9 119 \u0111\u1ed9: S\u03b1 v\u00e0 S\u03b2 n\u00f3ng ch\u1ea3y th\u00e0nh ch\u1ea5t l\u1ecfng m\u00e0u v\u00e0ng v\u00e0 r\u1ea5t linh \u0111\u1ed9ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u1ede nhi\u1ec7t \u0111\u1ed9 187 \u0111\u1ed9: L\u01b0u hu\u1ef3nh l\u1ecfng \u1edf tr\u1ea1ng th\u00e1i qu\u00e1nh nh\u1edbt v\u00e0 c\u00f3 m\u00e0u n\u00e2u \u0111\u1ecf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u1ede nhi\u1ec7t \u0111\u1ed9 445 \u0111\u1ed9: L\u01b0u hu\u1ef3nh s\u00f4i, c\u00e1c ph\u00e2n t\u1eed l\u01b0u hu\u1ef3nh b\u1ecb ph\u00e1 v\u1ee1 th\u00e0nh nhi\u1ec1u ph\u00e2n t\u1eed nh\u1ecf bay h\u01a1i.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: 1400 \u0111\u1ed9 C, h\u01a1i l\u01b0u hu\u1ef3nh l\u00e0 nh\u1eefng ph\u00e2n t\u1eed S2. Nh\u01b0ng \u1edf 1700 \u0111\u1ed9 C, l\u01b0u hu\u1ef3nh l\u00e0 nh\u1eefng nguy\u00ean t\u1eed S.<\/em><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_luu_huynh\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a l\u01b0u hu\u1ef3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110i\u1ec3m n\u1ed5i b\u1eadt trong t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a l\u01b0u h\u00ecnh l\u00e0 n\u00f3 v\u1eeba th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a v\u1edbi c\u00e1c m\u1ee9c oxi h\u00f3a kh\u00e1c nhau, bao g\u1ed3m: -2, 0, +4, +6, l\u1ea1i v\u1eeba th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed. C\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft t\u00ednh ch\u1ea5t n\u00e0y trong c\u00e1c th\u00ed nghi\u1ec7m l\u01b0u hu\u1ef3nh t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i, Hidro v\u00e0 phi kim.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-5.jpg\" alt=\"T\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a l\u01b0u hu\u1ef3nh. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_cua_luu_huynh_khi_tac_dung_voi_kim_loai_va_Hidro\"><\/span>T\u00ednh ch\u1ea5t c\u1ee7a l\u01b0u hu\u1ef3nh khi t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i v\u00e0 Hidro<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u1ede nhi\u1ec7t \u0111\u1ed9 cao, l\u01b0u hu\u1ef3nh t\u00e1c d\u1ee5ng v\u1edbi Hidro t\u1ea1o ra kh\u00ed hidro sunfua v\u00e0 t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i t\u1ea1o ra mu\u1ed1i sunfua.<\/p>\n<h4 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_voi_hidro\"><\/span>T\u00e1c d\u1ee5ng v\u1edbi hidro<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p dir=\"ltr\">Khi d\u1eabn kh\u00ed H2 v\u00e0o \u1ed1ng th\u00ed nghi\u1ec7m \u0111\u1ef1ng l\u01b0u hu\u1ef3nh \u0111ang s\u00f4i, l\u01b0u hu\u1ef3nh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc tr\u1ef1c ti\u1ebfp v\u1edbi Hidro. Quan s\u00e1t th\u00ed nghi\u1ec7m, ta nh\u1eadn th\u1ea5y c\u00f3 kh\u00ed m\u00f9i tr\u1ee9ng th\u1ed1i xu\u1ea5t hi\u1ec7n, \u0111\u00f3 l\u00e0 hi\u0111ro sunfua.<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng:\u00a0 H2 + S \u2192H2S (\u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9: 350 \u0111\u1ed9)<\/p>\n<h4 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_voi_kim_loai\"><\/span>T\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p dir=\"ltr\">T\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i l\u00e0 m\u1ed9t trong nh\u1eefng t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a l\u01b0u hu\u1ef3nh. Khi \u0111un n\u00f3ng, l\u01b0u hu\u1ef3nh c\u00f3 kh\u1ea3 n\u0103ng t\u00e1c d\u1ee5ng v\u1edbi nhi\u1ec1u kim lo\u1ea1i t\u1ea1o ra nhi\u1ec1u h\u1ee3p ch\u1ea5t kh\u00e1c nhau.\u00a0<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5:\u00a0<\/em><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>Khi tr\u1ed9n h\u1ed7n h\u1ee3p b\u1ed9t s\u1eaft v\u00e0 l\u01b0u hu\u1ef3nh, sau \u0111\u00f3 \u0111un nh\u1eb9. Quan s\u00e1t ph\u1ea3n \u1ee9ng, ta th\u1ea5y ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec1u nhi\u1ec7t v\u00e0 x\u1ea3y ra m\u1ea1nh h\u01a1n theo ph\u01b0\u01a1ng tr\u00ecnh: FE + S \u2192 FeS (\u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9)<\/em><\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\"><em>L\u01b0u hu\u1ef3nh t\u00e1c d\u1ee5ng v\u1edbi k\u1ebdm v\u00e0 nh\u00f4m c\u0169ng x\u1ea3y ra ph\u1ea3n \u1ee9ng m\u1ea1nh k\u00e8m theo s\u1ef1 l\u00f3e s\u00e1ng. Nh\u1eefng s\u1ee3i \u0111\u1ed3ng m\u1ea3nh c\u00f3 th\u1ec3 ch\u00e1y trong l\u01b0u hu\u1ef3nh t\u1ea1o ra CuS c\u00f3 m\u00e0u \u0111en.<\/em><\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">M\u1ed9t \u0111i\u1ec3m \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 th\u1ee7y ng\u00e2n ph\u1ea3n \u1ee9ng v\u1edbi l\u01b0u hu\u1ef3nh \u1edf ngay nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng theo ph\u01b0\u01a1ng tr\u00ecnh: Hg + S \u2192 HgS. Trong ph\u1ea3n \u1ee9ng n\u00e0y, S th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a, n\u00f3 oxi h\u00f3a Fe (0), Hg (0) th\u00e0nh Fe(+2) v\u00e0 Hg(+02), oxi h\u00f3a H(0) th\u00e0nh H(1).<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_voi_phi_kim\"><\/span>T\u00e1c d\u1ee5ng v\u1edbi phi kim<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u1ede nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng, l\u01b0u hu\u1ef3nh t\u00e1c d\u1ee5ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c nguy\u00ean t\u1ed1 phi kim m\u1ea1nh h\u01a1n nh\u01b0 flo, oxi, clo\u2026 tr\u1eeb iot v\u00e0 nit\u01a1. Khi \u0111\u1ed1t ch\u00e1y l\u01b0u hu\u1ef3nh trong trong kh\u00f4ng kh\u00ed ta \u0111\u01b0\u1ee3c l\u01b0u hu\u1ef3nh (IV) oxit v\u1edbi ng\u1ecdn l\u1eeda m\u00e0u xanh.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S + O2 \u2192 SO2 (nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">S + 3F2 \u2192 SF6 (nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">Trong c\u00e1c ph\u1ea3n \u1ee9ng n\u00e0y, l\u01b0u hu\u1ef3nh th\u1ec3 hi\u1ec7n t\u00ednh kh\u1eed c\u1ee7a m\u00ecnh khi kh\u1eed O(0) th\u00e0nh O(-2), kh\u1eed F(0) th\u00e0nh F(-1).\u00a0<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_luu_huynh_nhu_the_nao\"><\/span>\u0110i\u1ec1u ch\u1ebf l\u01b0u hu\u1ef3nh nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u1ede ph\u1ea7n n\u00e0y, ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u hai c\u00e1ch \u0111i\u1ec1u ch\u1ebf l\u01b0u hu\u1ef3nh theo hai ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn hi\u1ec7n nay: Trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 \u0111i\u1ec1u ch\u1ebf trong c\u00f4ng nghi\u1ec7p.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Trong_phong_thi_nghiem\"><\/span>Trong ph\u00f2ng th\u00ed nghi\u1ec7m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong ph\u00f2ng th\u00ed nghi\u1ec7m, l\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch: Cho mu\u1ed1i sunfit (mu\u1ed1i c\u1ee7a axit y\u1ebfu) t\u00e1c d\u1ee5ng v\u1edbi axit m\u1ea1nh h\u01a1n (th\u01b0\u1eddng l\u00e0 dung d\u1ecbch axit sunfuric v\u1edbi mu\u1ed1i natri sunfit) theo quy tr\u00ecnh sau:<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-6.jpg\" alt=\"\u0110i\u1ec1u ch\u1ebf SO2 trong ph\u00f2ng th\u00ed nghi\u1ec7m. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R\u00f3t t\u1eeb t\u1eeb dung d\u1ecbch axit sunfuric v\u00e0o b\u00ecnh c\u00f3 ch\u1ee9a natri sunfit, sau \u0111\u00f3 \u0111\u1eady n\u1eafp l\u1ea1i theo ph\u01b0\u01a1ng tr\u00ecnh: H2SO4 + Na2SO3\u00a0 \u2192\u00a0 Na2SO4 + SO2 + H2O\u00a0 (\u0111i\u1ec1u ki\u1ec7n: \u0111un n\u00f3ng). Ch\u00fa \u00fd c\u1ea7n \u0111\u1ec3 b\u00ecnh thu kh\u00ed d\u1ef1ng th\u1eb3ng, v\u00ec SO2 n\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110un n\u00f3ng b\u00ecnh tr\u00ean ng\u1ecdn l\u1eeda \u0111\u00e8n c\u1ed3n v\u00e0 s\u1eed d\u1ee5ng l\u01b0\u1edbi amiang. Lo\u1ea1i l\u01b0\u1edbi n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng kh\u00f4ng cho ng\u1ecdn l\u1eeda t\u1eadp trung t\u1ea1i m\u1ed9t ch\u1ed7 v\u00e0 l\u00e0m v\u1ee1 b\u00ecnh khi \u0111un n\u00f3ng dung d\u1ecbch<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00ed l\u01b0u hu\u1ef3nh dioxit \u0111\u01b0\u1ee3c thu l\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p chuy\u1ec3n kh\u00f4ng kh\u00ed. Ng\u01b0\u1eddi ta d\u00f9ng b\u00f4ng t\u1ea9m dung d\u1ecbch natri hidroxit (NaOH) \u0111\u1ec3 h\u1ea1n ch\u1ebf l\u01b0\u1ee3ng kh\u00ed SO2 tho\u00e1t ra.\u00a0<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Ch\u00fa \u00fd:\u00a0\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00f4ng d\u00f9ng b\u00f4ng t\u1ea9m kh\u00ed amoniac (NH3) v\u00ec \u0111\u00e2y l\u00e0 kh\u00ed d\u1ec5 bay h\u01a1i khi\u1ebfn vi\u1ec7c thu kh\u00ed k\u00e9m \u0111\u1ea1t hi\u1ec7u qu\u1ea3.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cho mu\u1ed1i sunfit t\u00e1c d\u1ee5ng v\u1edbi axit clohidric tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p axit n\u00e0y bay h\u01a1i v\u00e0 h\u00f2a l\u1eabn v\u00e0o SO2, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Trong_cong_nghiep\"><\/span>Trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong c\u00f4ng nghi\u1ec7p, l\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn sau:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1t l\u01b0u hu\u1ef3nh: S + O2 (nhi\u1ec7t \u0111\u1ed9) \u2192 SO2<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1t ch\u00e1y H2S trong oxi d\u01b0: 2H2S + 3O2 \u2192 2H2O + 2SO2<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cho kim lo\u1ea1i t\u00e1c d\u1ee5ng v\u1edbi H2SO4 (\u0111\u1eb7c n\u00f3ng):\u00a0 Cu + 2H2SO4 \u2192 CuSO4 + SO2 + 2H2O<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1t qu\u1eb7ng pirit s\u1eaft (FeS2): 4FeS2 + 11O2 \u2192 2Fe2O3 + 8SO2\u00a0<\/p>\n<\/li>\n<\/ul>\n<table style=\"border-collapse: collapse;width: 100%;background-color: #fbeeb8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5189%\">\n<p style=\"text-align: center\">X\u00c2Y D\u1ef0NG N\u1ec0N T\u1ea2NG TO\u00c1N H\u1eccC V\u1eeeNG CH\u1eaeC CHO TR\u1eba T\u1eea NH\u1ece V\u1edaI \u0110A PH\u01af\u01a0NG PH\u00c1P D\u1ea0Y H\u1eccC T\u00cdCH C\u1ef0C, CHI PH\u00cd C\u1ef0C R\u1eba CH\u01afA \u0110\u1ebeN 2K\/NG\u00c0Y C\u00d9NG MONKEY MATH.<\/p>\n<p style=\"text-align: center\">\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia.monkeyuni.net\/upload\/web\/img\/button_dang-ky-ngay-1.png\" alt=\"\" width=\"185\" height=\"25\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_ung_dung_quan_trong_cua_luu_huynh_trong_cong_nghiep_va_doi_song\"><\/span>Nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a l\u01b0u hu\u1ef3nh trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean t\u1ed1 li\u00ean quan \u0111\u1ebfn nhi\u1ec1u l\u0129nh v\u1ef1c trong \u0111\u1eddi s\u1ed1ng th\u1ef1c ti\u1ec5n, g\u00f3p vai tr\u00f2 quan tr\u1ecdng trong n\u1ec1n kinh t\u1ebf th\u1ebf gi\u1edbi.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-70.jpg\" alt=\"\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u hu\u1ef3nh l\u00e0 g\u00ec? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bot_luu_huynh_co_tac_dung_gi_trong_cong_nghiep\"><\/span>B\u1ed9t l\u01b0u hu\u1ef3nh c\u00f3 t\u00e1c d\u1ee5ng g\u00ec trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong c\u00f4ng nghi\u1ec7p, 90% l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c khai th\u00e1c th\u00f4ng qua d\u1eabn xu\u1ea5t ch\u00ednh l\u00e0 ax\u00edt sulfuric (H2SO4), \u0111\u00e2y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t trong c\u00e1c nguy\u00ean t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t nguy\u00ean li\u1ec7u c\u00f4ng nghi\u1ec7p.<\/p>\n<p dir=\"ltr\">Vi\u1ec7c ti\u00eau th\u1ee5 acid sulfuric c\u00f2n \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t trong c\u00e1c ch\u1ec9 s\u1ed1 t\u1ed1t nh\u1ea5t v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p c\u1ee7a m\u1ed9t qu\u1ed1c gia. L\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u1edf Hoa K\u1ef3 h\u00e0ng n\u0103m nhi\u1ec1u h\u01a1n b\u1ea5t k\u1ef3 h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p n\u00e0o kh\u00e1c.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-8.jpg\" alt=\"\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u hu\u1ef3nh trong c\u00f4ng nghi\u1ec7p. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u00f4ng nghi\u1ec7p, v\u00ed d\u1ee5 nh\u01b0: <em>\u1eaec quy, b\u1ed9t gi\u1eb7t, l\u01b0u h\u00f3a cao su, thu\u1ed1c di\u1ec7t n\u1ea5m v\u00e0 c\u00e1c ph\u00e2n b\u00f3n photphat.<\/em> C\u1ee5 th\u1ec3, \u0111\u01b0\u1ee3c l\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3<em> t\u1ea1o n\u00ean \u0111\u1ed9 tr\u1eafng c\u1ee7a gi\u1ea5y, l\u00e0m ch\u1ea5t b\u1ea3o qu\u1ea3n trong r\u01b0\u1ee3u vang v\u00e0 l\u00e0m kh\u00f4 hoa qu\u1ea3<\/em>. Do b\u1ea3n ch\u1ea5t d\u1ec5 ch\u00e1y, l\u01b0u hu\u1ef3nh c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong <em>s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i di\u00eam, thu\u1ed1c s\u00fang, thu\u1ed1c n\u1ed5 c\u0169ng nh\u01b0 ph\u00e1o hoa\u2026<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_luu_huynh_trong_lam_dep\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u hu\u1ef3nh trong l\u00e0m \u0111\u1eb9p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u1eeb xa x\u01b0a, con ng\u01b0\u1eddi \u0111\u00e3 bi\u1ebft \u1ee9ng d\u1ee5ng l\u01b0u hu\u1ef3nh trong vi\u1ec7c l\u00e0m \u0111\u1eb9p da v\u00e0 tr\u1ecb m\u1ee5n tr\u1ee9ng c\u00e1. Tuy nhi\u00ean, hi\u1ec7n nay v\u1eabn ch\u01b0a c\u00f3 nghi\u00ean c\u1ee9u r\u00f5 r\u00e0ng n\u00e0o t\u00ecm ra c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nguy\u00ean t\u1ed1 n\u00e0y trong vi\u1ec7c \u0111i\u1ec1u tr\u1ecb m\u1ee5n.\u00a0<\/p>\n<p dir=\"ltr\">Qua th\u1ef1c nghi\u1ec7m, ng\u01b0\u1eddi ta \u0111\u01b0a ra k\u1ebft lu\u1eadn: <em>L\u01b0u hu\u1ef3nh c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng vi\u00eam v\u00e0 kh\u00e1ng khu\u1ea9n cao, t\u1eeb \u0111\u00f3 c\u00f3 kh\u1ea3 n\u0103ng khi\u1ebfn nh\u1eefng n\u1ed1t m\u1ee5n x\u1eb9p \u0111i m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.\u00a0<\/em><\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-9.jpg\" alt=\"\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u hu\u1ef3nh trong \u0111i\u1ec1u tr\u1ecb m\u1ee5n tr\u1ee9ng c\u00e1. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_luu_huynh_trong_nong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u hu\u1ef3nh trong n\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng b\u1eadc nh\u1ea5t c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p, trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p, l\u01b0u hu\u1ef3nh c\u0169ng \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t trong nh\u1eefng nguy\u00ean li\u1ec7u \u0111\u1ec3 ch\u1ebf t\u1ea1o ph\u00e2n b\u00f3n h\u00f3a h\u1ecdc, thu\u1ed1c tr\u1eeb s\u00e2u, thu\u1ed1c di\u1ec7t n\u1ea5m\u2026<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_luu_huynh_trong_y_hoc\"><\/span>\u1ee8ng d\u1ee5ng l\u01b0u hu\u1ef3nh trong y h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh c\u0169ng th\u1ec3 hi\u1ec7n vai tr\u00f2 c\u1ee7a m\u00ecnh trong y h\u1ecdc. Magnesi sulfat c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t lo\u1ea1i thu\u1ed1c nhu\u1eadn tr\u00e0ng v\u00e0 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh li\u00ean quan \u0111\u1ebfn r\u1ed1i lo\u1ea1n v\u1ec1 da v\u1edbi t\u00ednh n\u0103ng kh\u00e1ng vi\u00eam, kh\u00e1ng khu\u1ea9n cao.\u00a0<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5:<em> Kem, s\u1eefa d\u01b0\u1ee1ng da, thu\u1ed1c m\u1ee1 ho\u1eb7c x\u00e0 ph\u00f2ng l\u01b0u hu\u1ef3nh d\u00f9ng \u0111i\u1ec1u tr\u1ecb m\u1ee5n tr\u1ee9ng c\u00e1, thu\u1ed1c m\u1ee1 l\u01b0u hu\u1ef3nh d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb vi\u00eam da ti\u1ebft b\u00e3, gh\u1ebb\u2026<\/em><\/p>\n<p dir=\"ltr\">Xem th\u00eam:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">Nh\u00f3m halogen l\u00e0 g\u00ec? V\u1ecb tr\u00ed, \u0111\u1eb7c \u0111i\u1ec3m, t\u00ednh ch\u1ea5t, c\u1ea5u h\u00ecnh electron<\/li>\n<li dir=\"ltr\">Iot l\u00e0 g\u00ec? T\u00ednh ch\u1ea5t v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luu_huynh_co_doc_khong_Nhung_anh_huong_tieu_cuc_cua_luu_huynh_den_moi_truong_va_con_nguoi\"><\/span>L\u01b0u hu\u1ef3nh c\u00f3 \u0111\u1ed9c kh\u00f4ng? Nh\u1eefng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c c\u1ee7a l\u01b0u hu\u1ef3nh \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 con ng\u01b0\u1eddi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Khi t\u00ecm ki\u1ebfm c\u00e1c th\u00f4ng tin li\u00ean quan \u0111\u1ebfn \u201ct\u00e1c h\u1ea1i c\u1ee7a l\u01b0u hu\u1ef3nh\u201d tr\u00ean Google, ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u0111\u01b0\u1ee3c 4.610.000 k\u1ebft qu\u1ea3 ch\u1ec9 trong 0,35 gi\u00e2y. V\u1eady l\u01b0u hu\u1ef3nh c\u00f3 th\u1eadt s\u1ef1 \u0111\u1ed9c kh\u00f4ng, v\u00e0 t\u00e1c h\u1ea1i c\u1ee7a n\u00f3 l\u00e0 g\u00ec?\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-10.jpg\" alt=\"L\u01b0u hu\u1ef3nh c\u00f3 \u0111\u1ed9c kh\u00f4ng? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luu_huynh_co_doc_khong\"><\/span>L\u01b0u hu\u1ef3nh c\u00f3 \u0111\u1ed9c kh\u00f4ng?\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc \u0111\u1ed9c h\u1ea1i n\u1ebfu s\u1eed d\u1ee5ng v\u1edbi h\u00e0m l\u01b0\u1ee3ng l\u1edbn. M\u1eb7c d\u00f9 l\u01b0u hu\u1ef3nh dioxide kh\u00e1 an to\u00e0n khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf, nh\u01b0ng khi \u1edf n\u1ed3ng \u0111\u1ed9 cao v\u1edbi m\u1ed9t li\u1ec1u l\u01b0\u1ee3ng \u0111\u1ee7 l\u1edbn, n\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi h\u01a1i \u1ea9m \u0111\u1ec3 t\u1ea1o ra axit sulfuro c\u00f3 th\u1ec3 g\u00e2y t\u1ed5n th\u01b0\u01a1ng cho ph\u1ed5i, m\u1eaft hay c\u00e1c c\u01a1 quan kh\u00e1c.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_anh_huong_tieu_cuc_cua_luu_huynh\"><\/span>Nh\u1eefng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c c\u1ee7a l\u01b0u hu\u1ef3nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh c\u00f4ng nghi\u1ec7p l\u00e0 h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng trong ch\u1ebf bi\u1ebfn v\u00e0 b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m. Tuy nhi\u00ean \u1edf n\u01b0\u1edbc ta, v\u00ec y\u1ebfu t\u1ed1 l\u1ee3i nhu\u1eadn, t\u00ecnh tr\u1ea1ng l\u1ea1m d\u1ee5ng l\u01b0u hu\u1ef3nh c\u00f4ng nghi\u1ec7p r\u1ea5t ph\u1ed5 bi\u1ebfn trong b\u1ea3o qu\u1ea3n\u00a0 t\u1ea9m s\u1ea5y c\u00e1c d\u01b0\u1ee3c li\u1ec7u\u2026 g\u00e2y t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c t\u1edbi s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi, m\u00f4i tr\u01b0\u1eddng c\u00f9ng c\u00e1c lo\u1ea1i sinh v\u1eadt s\u1ed1ng.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-11.jpg\" alt=\"M\u01b0a axit - m\u1ed9t trong nh\u1eefng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c c\u1ee7a l\u01b0u hu\u1ef3nh. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h4 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dong_den_suc_khoe_con_nguoi\"><\/span>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p dir=\"ltr\">Theo khuy\u1ebfn c\u00e1o c\u1ee7a T\u1ed5 ch\u1ee9c Y t\u1ebf th\u1ebf gi\u1edbi (WHO), h\u00e0m l\u01b0\u1ee3ng SO2 c\u00f3 trong c\u00e1c lo\u1ea1i th\u1ef1c ph\u1ea9m kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 20mg\/1kg. Nh\u01b0ng\u00a0 nh\u01b0ng \u1edf Vi\u1ec7t Nam, l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cao h\u01a1n r\u1ea5t nhi\u1ec1u l\u1ea7n so v\u1edbi m\u1ee9c \u0111\u1ed9 cho ph\u00e9p. Kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u01a1 th\u1ec3 qua \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, l\u01b0u hu\u1ef3nh c\u00f2n g\u00e2y h\u1ea1i cho con ng\u01b0\u1eddi th\u00f4ng qua vi\u1ec7c ng\u1eedi ch\u00fang.\u00a0<\/p>\n<p dir=\"ltr\">Khi ng\u1eedi m\u00f9i l\u01b0u hu\u1ef3nh qu\u00e1 nhi\u1ec1u ho\u1eb7c ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi kh\u00ed l\u01b0u hu\u1ef3nh khi ch\u00e1y s\u1ebd g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ee9c kh\u1ecfe. \u0110i\u1ec3n h\u00ecnh l\u00e0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110au \u0111\u1ea7u: SO2 s\u1ebd x\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 sau \u0111\u00f3 ng\u1ea5m v\u00e0o m\u00e1u v\u00e0 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 th\u1ea7n kinh khi con ng\u01b0\u1eddi h\u00edt ph\u1ea3i ch\u00fang. Ch\u00ednh v\u00ec v\u1eady, ngay khi ng\u1eedi ph\u1ea3i m\u00f9i c\u1ee7a l\u01b0u hu\u1ef3nh, b\u1ea1n s\u1ebd th\u1ea5y \u0111au \u0111\u1ea7u, t\u00f9y theo n\u1ed3ng \u0111\u1ed9 m\u00f9i.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ng\u1ea1t m\u0169i: L\u01b0u hu\u1ef3nh ch\u00e1y s\u1ea3n sinh kh\u00ed l\u01b0u hu\u1ef3nh \u0111ioxit (SO2) c\u00f9ng c\u00e1c h\u1ea1t b\u1ee5i li ti s\u1ebd khi\u1ebfn ng\u01b0\u1eddi h\u00edt ph\u1ea3i ng\u1ea1t m\u0169i, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 th\u1edf t\u00f9y theo n\u1ed3ng \u0111\u1ed9.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00f3 th\u1edf: SO2 \u0111i v\u00e0o trong c\u01a1 th\u1ec3 s\u1ebd l\u00e0m gi\u1ea3m d\u1ef1 tr\u1eef l\u01b0\u1ee3ng ki\u1ec1m trong m\u00e1u g\u00e2y r\u1ed1i lo\u1ea1n chuy\u1ec3n ho\u00e1 \u0111\u01b0\u1eddng v\u00e0 protein, g\u00e2y thi\u1ebfu vitamin B v\u00e0 C,\u00a0 t\u1eafc ngh\u1ebdn m\u1ea1ch m\u00e1u. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ng\u01b0\u1eddi h\u00edt ph\u1ea3i l\u01b0u hu\u1ef3nh b\u1ecb co h\u1eb9p d\u00e2y thanh qu\u1ea3n, kh\u00f3 th\u1edf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Vi\u00eam ph\u1ebf qu\u1ea3n: L\u01b0u hu\u1ef3nh th\u00e2m nh\u1eadp v\u00e0o c\u01a1 th\u1ec3 qua m\u0169i ho\u1eb7c mi\u1ec7ng s\u1ebd h\u00f2a tan v\u1edbi c\u00e1c h\u1ea1t n\u01b0\u1edbc nh\u1ecf ho\u1eb7c b\u1ee5i \u1ea9m v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t axit sunfuric (H2SO4). Sau \u0111\u00f3, ch\u00fang x\u00e2m nh\u1eadp qua ph\u1ed5i v\u00e0 g\u00e2y ra nh\u1eefng b\u1ec7nh l\u00fd v\u1ec1\u00a0 ph\u1ed5i kh\u00e1c nhau trong \u0111\u00f3 c\u00f3 vi\u00eam ph\u1ebf qu\u1ea3n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ng\u1ed9 \u0111\u1ed9c m\u00e1u: SO2 x\u00e2m nh\u1eadp c\u01a1 th\u1ec3 l\u00e0m t\u0103ng l\u01b0\u1ee3ng axit v\u00e0 gi\u1ea3m ki\u1ec1m, t\u1eeb \u0111\u00f3 g\u00e2y ng\u1ed9 \u0111\u1ed9c m\u00e1u.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1eed vong: Khi l\u01b0u hu\u1ef3nh \u0111i v\u00e0o c\u01a1 th\u1ec3 \u1edf n\u1ed3ng \u0111\u1ed9 cao, m\u00e1u b\u1ecb ng\u1ed9 \u0111\u1ed9c, h\u1ec7 th\u1ea7n kinh b\u1ecb t\u00e1c \u0111\u1ed9ng, ph\u1ed5i b\u1ecb \u1ea3nh h\u01b0\u1edfng\u2026. t\u1eeb \u0111\u00f3 khi\u1ebfn c\u00e1c c\u01a1 quan quan tr\u1ecdng t\u00ea li\u1ec7t, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1eed vong.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Nh\u01b0 v\u1eady, khi ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi l\u01b0u hu\u1ef3nh qua \u0111\u01b0\u1eddng ng\u1eedi hay \u0103n u\u1ed1ng, con ng\u01b0\u1eddi \u0111\u1ec1u ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ee9c kh\u1ecfe nghi\u00eam tr\u1ecdng t\u00f9y theo m\u1ee9c \u0111\u1ed9. Do \u0111\u00f3, khi ti\u1ebfp x\u00fac v\u1edbi l\u01b0u hu\u1ef3nh, b\u1ea1n kh\u00f4ng n\u00ean ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp. \u0110\u1ed1i v\u1edbi nh\u1eefng th\u1ef1c ph\u1ea9m c\u00f3 t\u1ea9m l\u01b0u hu\u1ef3nh, h\u00e3y r\u1eeda th\u1eadt s\u1ea1ch v\u1edbi n\u01b0\u1edbc tr\u01b0\u1edbc khi ch\u1ebf bi\u1ebfn, s\u1eed d\u1ee5ng.\u00a0<\/p>\n<h4 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dong_den_sinh_vat_duoi_nuoc\"><\/span>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p dir=\"ltr\">Khi ngu\u1ed3n n\u01b0\u1edbc b\u1ecb nhi\u1ec5m l\u01b0u hu\u1ef3nh c\u00f4ng nghi\u1ec7p, c\u00e1c sinh v\u1eadt v\u00e0 vi sinh v\u1eadt s\u1ed1ng d\u01b0\u1edbi n\u01b0\u1edbc c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng. \u0110i\u1ec3n h\u00ecnh nh\u01b0 c\u00e1, t\u00f4m, cua, ngao, s\u00f2,&#8230; ch\u00fang s\u1ebd b\u1ecb ng\u1ed9 \u0111\u1ed9c l\u01b0u hu\u1ef3nh v\u00e0 ch\u1ebft h\u00e0ng lo\u1ea1t. Nguy hi\u1ec3m h\u01a1n, khi \u0103n ph\u1ea3i c\u00e1c lo\u1ea1i sinh v\u1eadt n\u00e0y, con ng\u01b0\u1eddi c\u0169ng c\u00f3 nguy c\u01a1 r\u1ea5t cao b\u1ecb nhi\u1ec5m \u0111\u1ed9c l\u01b0u hu\u1ef3nh gi\u00e1n ti\u1ebfp.<\/p>\n<h4 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dong_den_moi_truong_song\"><\/span>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng s\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p dir=\"ltr\">Khi \u0111\u1ed1t l\u01b0u hu\u1ef3nh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, m\u00f4i tr\u01b0\u1eddng s\u1ed1ng s\u1ebd b\u1ecb h\u1ee7y ho\u1ea1i nghi\u00eam tr\u1ecdng, g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng kh\u00ed, bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, m\u01b0a axit, hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh\u2026<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u00d4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng: L\u01b0u hu\u1ef3nh \u0111ioxit l\u00e0 t\u00e1c nh\u00e2n g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">M\u01b0a axit: SO2 b\u1ecb oxy h\u00f3a v\u00e0 khi t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc h\u00ecnh th\u00e0nh axit sunfuric t\u1ea1o ra m\u01b0a axit &#8211; g\u00e2y t\u1ed5n th\u01b0\u01a1ng cho c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt (khi ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng ch\u1ee9a SO2 1- 2 ppm trong v\u00e0i gi\u1edd).\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u00e1 h\u1ee7y t\u1ea7ng ozon:\u00a0 SO2 + O3 \u2192\u00a0 SO3 + O2<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u00d4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc: Hydrogen sulfide (H2S) &#8211; m\u1ed9t lo\u1ea1i kh\u00ed \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 ph\u00e2n h\u1ee7y c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n g\u00e2y \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc, ch\u1ea5t n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y ch\u1ee7 y\u1ebfu trong n\u01b0\u1edbc gi\u1ebfng khoan. Khi n\u01b0\u1edbc ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng H2S th\u1ea5p kho\u1ea3ng 1,0 PPM s\u1ebd c\u00f3 \u0111\u1eb7c t\u00ednh \u0103n m\u00f2n. L\u00fac n\u00e0y, n\u00f3 tr\u1edf th\u00e0nh axit g\u00e2y \u0103n m\u00f2n kim lo\u1ea1i, b\u00ea t\u00f4ng v\u00e0 khi\u1ebfn thay \u0111\u1ed5i t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, m\u00e0u s\u1eafc c\u1ee7a \u0111\u00e1 v\u00f4i, \u0111\u00e1 hoa, ph\u00e1 h\u1ee7y ki\u1ebfn tr\u00fac, g\u00e2y g\u1ec9 s\u00e9t cho s\u1eaft, th\u00e9p, b\u00e0o m\u00f2n v\u00e0 khi\u1ebfn v\u1ea3i s\u1ee3i, gi\u1ea5y xu\u1ea5t hi\u1ec7n ch\u1ea5m \u0111en\u2026<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luu_y_khi_su_dung_va_cach_luu_tru_bao_quan_luu_huynh\"><\/span>L\u01b0u \u00fd khi s\u1eed d\u1ee5ng v\u00e0 c\u00e1ch l\u01b0u tr\u1eef, b\u1ea3o qu\u1ea3n l\u01b0u hu\u1ef3nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">V\u00ec t\u00ednh ch\u1ea5t \u0111\u1ed9c h\u1ea1i c\u1ee7a n\u00f3, khi s\u1eed d\u1ee5ng l\u01b0u hu\u1ef3nh, b\u1ea1n c\u1ea7n l\u01b0u \u00fd nh\u1eefng y\u1ebfu t\u1ed1 sau \u0111\u00e2y \u0111\u1ec3 tr\u00e1nh g\u00e2y ra nh\u1eefng t\u00e1c h\u1ea1i tr\u1ef1c ti\u1ebfp v\u1edbi s\u1ee9c kh\u1ecfe c\u0169ng nh\u01b0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_dung_luu_huynh_can_luu_y_nhung_gi\"><\/span>S\u1eed d\u1ee5ng l\u01b0u hu\u1ef3nh c\u1ea7n l\u01b0u \u00fd nh\u1eefng g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a l\u01b0u hu\u1ef3nh, b\u1ea1n c\u1ea7n th\u1eadn tr\u1ecdng khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t n\u00e0y (ch\u1eb3ng h\u1ea1n nh\u01b0 carbon disulfide, carbonyl sulfide, hydro sulfide v\u00e0 l\u01b0u hu\u1ef3nh dioxide).<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi s\u1eed d\u1ee5ng thu\u1ed1c l\u01b0u hu\u1ef3nh, b\u1ea1n c\u1ea7n ch\u00fa \u00fd t\u1edbi li\u1ec1u l\u01b0\u1ee3ng d\u00f9ng thu\u1ed1c l\u01b0u hu\u1ef3nh, th\u1eddi gian s\u1eed d\u1ee5ng, h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng v\u00e0 nghe theo s\u1ef1 ch\u1ec9 \u0111\u1ecbnh c\u1ee7a b\u00e1c s\u0129 chuy\u00ean m\u00f4n.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_luu_tru_va_bao_quan_luu_huynh\"><\/span>C\u00e1ch l\u01b0u tr\u1eef v\u00e0 b\u1ea3o qu\u1ea3n l\u01b0u hu\u1ef3nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1i v\u1edbi h\u00f3a ch\u1ea5t l\u01b0u hu\u1ef3nh, b\u1ea1n c\u1ea7n b\u1ea3o qu\u1ea3n n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp c\u1ee7a m\u1eb7t tr\u1eddi chi\u1ebfu v\u00e0o.<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1i v\u1edbi thu\u1ed1c l\u01b0u hu\u1ef3nh, b\u1ea1n c\u1ea7n b\u1ea3o qu\u1ea3n \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, tr\u00e1nh n\u01a1i \u1ea9m \u01b0\u1edbt v\u00e0 tr\u00e1nh \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng b\u1ea3o qu\u1ea3n l\u01b0u hu\u1ef3nh trong ph\u00f2ng t\u1eafm ho\u1eb7c ng\u0103n \u0111\u00e1. V\u1edbi thu\u1ed1c h\u1ebft h\u1ea1n s\u1eed d\u1ee5ng, \u0111\u1eebng t\u1ef1 \u00fd v\u1ee9t thu\u1ed1c l\u01b0u hu\u1ef3nh v\u00e0o toilet ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn n\u01b0\u1edbc, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a d\u01b0\u1ee3c s\u0129 ho\u1eb7c c\u00f4ng ty x\u1eed l\u00fd r\u00e1c th\u1ea3i \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 c\u00f3 c\u00e1ch ti\u00eau h\u1ee7y thu\u1ed1c an to\u00e0n.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_hop_chat_pho_bien_cua_luu_huynh\"><\/span>M\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t ph\u1ed5 bi\u1ebfn c\u1ee7a l\u01b0u hu\u1ef3nh\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u1ede ph\u1ea7n n\u00e0y, ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t ph\u1ed5 bi\u1ebfn c\u1ee7a l\u01b0u hu\u1ef3nh v\u00e0 \u0111\u1ed3ng v\u1ecb c\u1ee7a n\u00f3.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/luu-huynh-12.jpg\" alt=\"T\u00ecm hi\u1ec3u c\u00e1c h\u1ee3p ch\u1ea5t ph\u1ed5 bi\u1ebfn c\u1ee7a l\u01b0u hu\u1ef3nh. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Sulfua Hydro: H\u1ee3p ch\u1ea5t ch\u00ednh c\u1ee7a l\u01b0u hu\u1ef3nh l\u00e0 Sunfua Hydro, c\u00f3 m\u00f9i tr\u1ee9ng th\u1ed1i \u0111\u1eb7c tr\u01b0ng. Khi ho\u00e0 tan trong n\u01b0\u1edbc, h\u1ee3p ch\u1ea5t n\u00e0y c\u00f3 t\u00ednh axit v\u00e0 ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec1u kim lo\u1ea1i \u0111\u1ec3 t\u1ea1o ra c\u00e1c sunfua kim lo\u1ea1i. C\u00e1c sunfua kim lo\u1ea1i n\u00e0y kh\u00e1 ph\u1ed5 bi\u1ebfn, nh\u1ea5t l\u00e0 c\u1ee7a s\u1eaft (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 pyrit).<\/p>\n<p dir=\"ltr\">\u00catyl v\u00e0 m\u00eatyl mecaptan: H\u1ee3p ch\u1ea5t kh\u00e1c c\u1ee7a l\u01b0u hu\u1ef3nh nh\u01b0 \u00eatyl v\u00e0 m\u00eatyl mecaptan c\u00f3 m\u00f9i kh\u00f3 ng\u1eedi v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u1ea1o m\u00f9i cho kh\u00ed \u0111\u1ed1t nh\u1eb1m ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9.<\/p>\n<p dir=\"ltr\">Nitrua l\u01b0u hu\u1ef3nh polyme h\u00f3a: \u0110\u01b0\u1ee3c t\u1ea1o ra t\u1eeb t\u00eatranitrua t\u00eatra l\u01b0u hu\u1ef3nh S4N4 &#8211; m\u1ed9t h\u1ee3p ch\u1ea5t c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a kim lo\u1ea1i m\u1eb7c d\u00f9 kh\u00f4ng ch\u1ee9a b\u1ea5t k\u1ef3 nguy\u00ean t\u1eed kim lo\u1ea1i n\u00e0o. Ch\u00fang c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t quang h\u1ecdc v\u00e0 \u0111i\u1ec7n b\u1ea5t th\u01b0\u1eddng v\u00e0 polyme n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra t\u1eeb t\u00eatranitrua t\u00eatra l\u01b0u hu\u1ef3nh S4N4.<\/p>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh \u0111\u00f3, m\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t quan tr\u1ecdng kh\u00e1c c\u1ee7a l\u01b0u hu\u1ef3nh c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:\u00a0<\/p>\n<p dir=\"ltr\">M\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Sulfua (S2-)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Sulfit (SO32-), c\u00e1c mu\u1ed1i c\u1ee7a axit sulfur\u01a1, H2SO3, ax\u00edt sulfur\u01a1 v\u00e0 c\u00e1c sulfit t\u01b0\u01a1ng \u1ee9ng, ion pyrosulfit, m\u00eatabisulfit (S2O52\u2212).<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Sulfat (SO42-) v\u00e0 c\u00e1c mu\u1ed1i c\u1ee7a axit sulfuric.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Thi\u00f4sulfat (\u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thi\u00f4sulfit hay \u201chyposulfit\u201d) (S2O32\u2212)- nh\u01b0 thi\u00f4sulfat natri.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110ithi\u00f4nit natri, Na2S2O4 t\u1ea1o ra t\u1eeb ax\u00edt hyposulfur\u01a1\/\u0111ithi\u00f4n\u01a1.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110ithi\u00f4nat natri (Na2S2O6)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit polythi\u00f4nic (H2SnO6)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ax\u00edt per\u00f4xym\u00f4n\u00f4sulfuric (H2SO5) v\u00e0 ax\u00edt per\u00f4xy\u0111isulfuric (H2S2O8)-<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Polisulfua natri (Na2Sx)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Hexaflorua l\u01b0u hu\u1ef3nh, SF6<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00eatranitrua t\u00eatra l\u01b0u hu\u1ef3nh S4N4<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">M\u1ed9t s\u1ed1 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110im\u00eatyl sulf\u00f4ni\u00f4pr\u00f4pi\u00f4nat (DMSP; (CH3)2S+CH2CH2COO-)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Thiol (hay mecaptan)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Thiolat<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Sulf\u00f4x\u00edt<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Sulfon<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Thu\u1ed1c th\u1eed Lawesson<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Naptalen-1,8-\u0111iyl 1,3,2,4-\u0111ithia\u0111iph\u1ed1tphetan 2,4-\u0111isulfua<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u1ed3ng v\u1ecb: L\u01b0u hu\u1ef3nh c\u00f3 t\u1ea5t c\u1ea3 18 \u0111\u1ed3ng v\u1ecb trong \u0111\u00f3 c\u00f3 4 \u0111\u1ed3ng v\u1ecb \u1ed5n \u0111\u1ecbnh: S32 (95,02%), S33 (0,75%), S34 (4,21%) v\u00e0 S36 (0,02%).<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_luu_huynh_SGK_Hoa_hoc_10_kem_loi_giai\"><\/span>B\u00e0i t\u1eadp v\u1ec1 l\u01b0u hu\u1ef3nh SGK H\u00f3a h\u1ecdc 10 k\u00e8m l\u1eddi gi\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Nh\u1eefng b\u00e0i t\u1eadp v\u1ec1 l\u01b0u hu\u1ef3nh SGK H\u00f3a l\u1edbp 10 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y chi ti\u1ebft, d\u1ec5 hi\u1ec3u nh\u1ea5t d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 l\u01b0u hu\u1ef3nh c\u00f9ng nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng c\u1ee7a n\u00f3.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_1_trang_132_SGK_Hoa_10\"><\/span>B\u00e0i t\u1eadp 1 trang 132 SGK H\u00f3a 10<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u01b0u hu\u1ef3nh t\u00e1c d\u1ee5ng v\u1edbi axit sunfuric \u0111\u1eb7c, n\u00f3ng:<\/p>\n<p dir=\"ltr\">S + 2H2SO4 \u2192 3SO2 + 2H2O<\/p>\n<p dir=\"ltr\">Trong ph\u1ea3n \u1ee9ng n\u00e0y, t\u1ec9 l\u1ec7 s\u1ed1 nguy\u00ean t\u1eed l\u01b0u hu\u1ef3nh b\u1ecb kh\u1eed: S\u1ed1 nguy\u00ean t\u1eed l\u01b0u hu\u1ef3nh b\u1ecb oxi h\u00f3a l\u00e0:<\/p>\n<p dir=\"ltr\">A. 1 : 2.<\/p>\n<p dir=\"ltr\">B. 1 : 3.<\/p>\n<p dir=\"ltr\">C. 3 : 1.<\/p>\n<p dir=\"ltr\">D. 2 : 1.<\/p>\n<p dir=\"ltr\">Ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang.<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n: \u00a0D l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang.<\/p>\n<p dir=\"ltr\">S l\u00e0 ch\u1ea5t kh\u1eed (ch\u1ea5t b\u1ecb oxi h\u00f3a) \u21d2 S\u1ed1 nguy\u00ean t\u1eed S b\u1ecb oxi h\u00f3a l\u00e0 1<\/p>\n<p dir=\"ltr\">H2SO4 l\u00e0 ch\u1ea5t oxi h\u00f3a (ch\u1ea5t b\u1ecb kh\u1eed) \u21d2 S\u1ed1 nguy\u00ean t\u1eed S b\u1ecb kh\u1eed l\u00e0 2<\/p>\n<p dir=\"ltr\">\u2192\u00a0 T\u1ec9 l\u1ec7 s\u1ed1 nguy\u00ean t\u1eed S b\u1ecb kh\u1eed: s\u1ed1 nguy\u00ean t\u1eed S b\u1ecb oxi h\u00f3a l\u00e0: 2:1<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_2_Hoa_10_SGK_trang_132\"><\/span>B\u00e0i t\u1eadp 2 Ho\u00e1 10 SGK trang 132<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">D\u00e3y \u0111\u01a1n ch\u1ea5t n\u00e0o sau \u0111\u00e2y v\u1eeba c\u00f3 t\u00ednh oxi h\u00f3a v\u1eeba c\u00f3 t\u00ednh kh\u1eed?<\/p>\n<p dir=\"ltr\">A. Cl2 , O3, S.<\/p>\n<p dir=\"ltr\">B. S, Cl2, Br2.<\/p>\n<p dir=\"ltr\">C. Na, F2, S.<\/p>\n<p dir=\"ltr\">D. Br2, O2, Ca.<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n: \u00a0B l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_3_SGK_Hoa_10_trang_132\"><\/span>B\u00e0i t\u1eadp 3 SGK H\u00f3a 10 trang 132<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n s\u1ef1 thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang, v\u1ec1 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y khi gi\u1eef l\u01b0u hu\u1ef3nh \u0111\u01a1n t\u00e0 (SB) d\u00e0i ng\u00e0y \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng?<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:\u00a0<\/p>\n<p dir=\"ltr\">\u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, c\u00f3 s\u1ef1 chuy\u1ec3n h\u00f3a t\u1eeb S\u03b2 \u2192 S\u03b1 v\u1eady khi gi\u1eef S\u03b2 v\u00e0i ng\u00e0y \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng th\u00ec:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a l\u01b0u hu\u1ef3nh t\u0103ng d\u1ea7n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a l\u01b0u hu\u1ef3nh gi\u1ea3m d\u1ea7n.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_4_trang_132_SGK_Hoa_10\"><\/span>B\u00e0i t\u1eadp 4 trang 132 SGK H\u00f3a 10<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110un n\u00f3ng m\u1ed9t h\u1ed7n h\u1ee3p g\u1ed3m c\u00f3 0,650g b\u1ed9t k\u1ebdm v\u00e0 0,224g b\u1ed9t l\u01b0u hu\u1ef3nh trong \u1ed1ng nghi\u1ec7m \u0111\u1eady k\u00edn kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed. Sau ph\u1ea3n \u1ee9ng, ng\u01b0\u1eddi ta thu \u0111\u01b0\u1ee3c ch\u1ea5t n\u00e0o trong \u1ed1ng nghi\u1ec7m? Kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 bao nhi\u00eau?<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:\u00a0<\/p>\n<p dir=\"ltr\">n(Zn) = 0,65\/65 = 0,01mol<\/p>\n<p dir=\"ltr\">n(s)= 0,224\/32 = 0,007 mol<\/p>\n<p dir=\"ltr\">\u2014&gt; S ph\u1ea3n \u1ee9ng h\u1ebft, Zn ph\u1ea3n \u1ee9ng d\u01b0<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng<\/p>\n<p dir=\"ltr\">Zn + S \u2192 ZnS (nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">nZn ph\u1ea3n \u1ee9ng = 0,007 mol \u21d2 nZnS = 0,007 mol.<\/p>\n<p dir=\"ltr\">Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t sau ph\u1ea3n \u1ee9ng:<\/p>\n<p dir=\"ltr\">mZn d\u01b0 = (0,01 \u2013 0,007) \u00d7 65 = 0,195g.<\/p>\n<p dir=\"ltr\">mZnS = 0,007 \u00d7 97 = 0,679g.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_5_Hoa_10_SGK_trang_132\"><\/span>B\u00e0i t\u1eadp 5 Ho\u00e1 10 SGK trang 132<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">1,10g h\u1ed7n h\u1ee3p b\u1ed9t s\u1eaft v\u00e0 b\u1ed9t nh\u00f4m t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi 1,28g b\u1ed9t l\u01b0u hu\u1ef3nh.<\/p>\n<p dir=\"ltr\">a) Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra.<\/p>\n<p dir=\"ltr\">b) T\u00ednh t\u1ec9 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee7a s\u1eaft v\u00e0 nh\u00f4m trong h\u1ed7n h\u1ee3p ban \u0111\u1ea7u, theo:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u01b0\u1ee3ng ch\u1ea5t.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:\u00a0<\/p>\n<p dir=\"ltr\">a) Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng<\/p>\n<p dir=\"ltr\">Fe + S \u2192 FeS<\/p>\n<p dir=\"ltr\">2Al + 3S \u2192 Al2S3<\/p>\n<p dir=\"ltr\">b) G\u1ecdi nFe = x mol, theo PT \u21d2 nS (1) = nFe = x mol<\/p>\n<p dir=\"ltr\">G\u1ecdi nAl = y mol, theo PT \u21d2 nS (2) = (3\/2). nAl = (3\/2). y mol<\/p>\n<p dir=\"ltr\">\u21d2 nS = x + (3\/2). y = 0,04 mol.<\/p>\n<p dir=\"ltr\">mhh = 56x + 27y = 1,1.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh ta c\u00f3 x = 0,01 mol, y= 0,02 mol.<\/p>\n<p dir=\"ltr\">T\u1ec9 l\u1ec7 % s\u1eaft v\u00e0 nh\u00f4m trong h\u1ed7n h\u1ee3p theo l\u01b0\u1ee3ng ch\u1ea5t ( theo s\u1ed1 mol l\u00e0):<\/p>\n<p dir=\"ltr\">%n(Fe) = x\/(x+y). 100% = 30%\u00a0<\/p>\n<p dir=\"ltr\">%n(Al) = 70%<\/p>\n<p dir=\"ltr\">T\u1ec9 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee7a s\u1eaft v\u00e0 nh\u00f4m trong h\u1ed7n h\u1ee3p theo kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t:<\/p>\n<p dir=\"ltr\">mAl = 0,02 x 27 = 0,54g<\/p>\n<p dir=\"ltr\">mFe = 0,01 x 56 = 0,56g.<\/p>\n<p dir=\"ltr\">%mAl = (0.54\/11)\u00d7 100% = 49,09%<\/p>\n<p dir=\"ltr\">%mFe = 100% &#8211; 49,09% = 50,91%<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_luu_huynh_tu_co_ban_de_nang_cao_de_hoc_sinh_luyen_tap\"><\/span>B\u00e0i t\u1eadp v\u1ec1 l\u01b0u hu\u1ef3nh t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ec3 n\u00e2ng cao \u0111\u1ec3 h\u1ecdc sinh luy\u1ec7n t\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Ngo\u00e0i b\u00e0i t\u1eadp trong s\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc 10, sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp m\u00e0 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u1ed5ng h\u1ee3p \u0111\u1ec3 c\u00e1c em c\u00f9ng nhau luy\u1ec7n t\u1eadp:<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify;line-height: 150%\">C\u00e2u 1:\u00a0V\u1ecb tr\u00ed c\u1ee7a nguy\u00ean t\u1ed1 l\u01b0u hu\u1ef3nh (z = 16) trong b\u1ea3ng tu\u1ea7n ho\u00e0n h\u00f3a h\u1ecdc l\u00e0:<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">A. \u00d4 th\u1ee9 16, chu k\u00ec 3, nh\u00f3m VIA.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">B. \u00d4 th\u1ee9 16, chu k\u00ec 2, nh\u00f3m VIA.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. \u00d4 th\u1ee9 16, chu k\u00ec 3, nh\u00f3m IVA.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">D. \u00d4 th\u1ee9 16, chu k\u00ec 2, nh\u00f3m IVA.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 2:\u00a0Nguy\u00ean t\u1eed nguy\u00ean t\u1ed1 X c\u00f3 t\u1ed5ng s\u1ed1 electron \u1edf c\u00e1c ph\u00e2n l\u1edbp p l\u00e0 10. Nguy\u00ean t\u1ed1 X l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. Na. \u00a0\u00a0\u00a0B. Cl.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. O. \u00a0\u00a0\u00a0D. S.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 3:\u00a0S\u1ed1 oxi h\u00f3a c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a l\u01b0u hu\u1ef3nh trong h\u1ee3p ch\u1ea5t l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. 0, 2, 4, 6. \u00a0\u00a0\u00a0B. -2, 0, +4, +6.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. 1, 3, 5, 7. \u00a0\u00a0\u00a0D. -2, +4, +6.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 4:\u00a0L\u01b0u hu\u1ef3nh th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a khi t\u00e1c d\u1ee5ng v\u1edbi ch\u1ea5t n\u00e0o d\u01b0\u1edbi \u0111\u00e2y?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. O2. \u00a0\u00a0\u00a0 B. Al.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. H2SO4\u00a0\u0111\u1eb7c. \u00a0\u00a0\u00a0 D. F2.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 5:\u00a0Cho ph\u1ea3n \u1ee9ng: S + 2H2SO4(\u0111\u1eb7c)\u00a0\u2192 3SO2\u2191 + 2H2O. T\u1ec9 l\u1ec7 s\u1ed1 nguy\u00ean t\u1eed S b\u1ecb kh\u1eed v\u00e0 s\u1ed1 nguy\u00ean t\u1eed S b\u1ecb oxi h\u00f3a l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. 1 : 2. \u00a0\u00a0\u00a0 B. 1 : 3.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. 3 : 1. \u00a0\u00a0\u00a0 D. 2 : 1.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 6:\u00a0C\u00f3 bao nhi\u00eau gam SO2\u00a0h\u00ecnh th\u00e0nh khi cho 1,28 gam S ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n v\u1edbi l\u01b0\u1ee3ng O2\u00a0d\u01b0?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. 2,28 g \u00a0\u00a0\u00a0 B. 2,00 g<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. 1,00 g \u00a0\u00a0\u00a0 D. 2,56 g<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 7:\u00a0\u0110\u01a1n ch\u1ea5t v\u1eeba c\u00f3 t\u00ednh oxi h\u00f3a v\u1eeba c\u00f3 t\u00ednh kh\u1eed l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. F2.\u00a0\u00a0\u00a0 B. O3.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. S. \u00a0\u00a0\u00a0 D. O2.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 8:\u00a0C\u00e2u n\u00e0o sau \u0111\u00e2y \u0111\u00fang khi n\u00f3i v\u1ec1 t\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc c\u1ee7a l\u01b0u hu\u1ef3nh?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. L\u01b0u hu\u1ef3nh kh\u00f4ng c\u00f3 t\u00ednh oxi ho\u00e1, t\u00ednh kh\u1eed.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">B. L\u01b0u hu\u1ef3nh ch\u1ec9 c\u00f3 t\u00ednh oxi ho\u00e1.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. L\u01b0u hu\u1ef3nh v\u1eeba c\u00f3 t\u00ednh oxi ho\u00e1, v\u1eeba c\u00f3 t\u00ednh kh\u1eed.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">D. L\u01b0u hu\u1ef3nh ch\u1ec9 c\u00f3 t\u00ednh kh\u1eed.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 9:\u00a0D\u00e3y g\u1ed3m c\u00e1c ch\u1ea5t \u0111\u1ec1u t\u00e1c d\u1ee5ng tr\u1ef1c ti\u1ebfp v\u1edbi l\u01b0u hu\u1ef3nh l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. Hg, O2, HCl.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">B. Pt, Cl2, HCl.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. Zn, O2, F2.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">D. Na, Br2, H2SO4\u00a0lo\u00e3ng.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 10:\u00a0Kim lo\u1ea1i n\u00e0o sau \u0111\u00e2y t\u00e1c d\u1ee5ng v\u1edbi l\u01b0u hu\u1ef3nh \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. Al. \u00a0\u00a0\u00a0B. Fe.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. Hg. \u00a0\u00a0\u00a0D. Cu.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 11:\u00a0Nh\u1eadn \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y l\u00e0 sai?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. S v\u1eeba c\u00f3 t\u00ednh oxi ho\u00e1 v\u1eeba c\u00f3 t\u00ednh kh\u1eed.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">B. Hg ph\u1ea3n \u1ee9ng v\u1edbi S ngay nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. \u1ede nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p, S t\u00e1c d\u1ee5ng v\u1edbi O2, Cl2, F2\u00a0th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">D. \u1ede nhi\u1ec7t \u0111\u1ed9 cao, S t\u00e1c d\u1ee5ng v\u1edbi nhi\u1ec1u kim lo\u1ea1i v\u00e0 th\u1ec3 hi\u1ec7n t\u00ednh oxi ho\u00e1.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 12:\u00a0\u0110un n\u00f3ng 11,2 gam Fe trong l\u01b0u hu\u1ef3nh d\u01b0, kh\u1ed1i l\u01b0\u1ee3ng mu\u1ed1i thu \u0111\u01b0\u1ee3c sau ph\u1ea3n \u1ee9ng l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. 8,8g. \u00a0\u00a0\u00a0 B. 17,6g.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. 4,4g. \u00a0\u00a0\u00a0 D. 35,2 g.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 13:\u00a0Cho 1,3 gam k\u1ebdm t\u00e1c d\u1ee5ng v\u1edbi 0,32 gam l\u01b0u hu\u1ef3nh. Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. ZnS. \u00a0\u00a0\u00a0 B. ZnS v\u00e0 S.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. ZnS v\u00e0 Zn. \u00a0\u00a0\u00a0 D. ZnS, Zn v\u00e0 S.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 14:\u00a0Nh\u1eadn \u0111\u1ecbnh n\u00e0o sau v\u1ec1 l\u01b0u hu\u1ef3nh l\u00e0 sai?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. S l\u00e0 ch\u1ea5t r\u1eafn m\u00e0u v\u00e0ng.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">B. S kh\u00f4ng tan trong n\u01b0\u1edbc.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. S d\u1eabn \u0111i\u1ec7n, d\u1eabn nhi\u1ec7t k\u00e9m.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">D. S kh\u00f4ng tan trong c\u00e1c dung m\u00f4i h\u1eefu c\u01a1.<\/p>\n<p style=\"text-align: justify;line-height: 150%;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 15:\u00a0Nung 6,5 gam Zn v\u1edbi b\u1ed9t l\u01b0u hu\u1ef3nh. Kh\u1ed1i l\u01b0\u1ee3ng l\u01b0u hu\u1ef3nh c\u1ea7n d\u00f9ng \u0111\u1ec3 ph\u1ea3n \u1ee9ng h\u1ebft v\u1edbi l\u01b0\u1ee3ng k\u1ebdm l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">A. 3,2 \u00a0\u00a0\u00a0 B. 1,6<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 150%\">C. 6,4 \u00a0\u00a0\u00a0 D. 4<\/p>\n<p dir=\"ltr\">V\u1eady l\u01b0u hu\u1ef3nh l\u00e0 g\u00ec, l\u01b0u hu\u1ef3nh c\u00f3 \u0111\u1ed9c kh\u00f4ng, c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t n\u00e0o? Ch\u1eafc h\u1eb3n qua b\u00e0i vi\u1ebft tr\u00ean \u0111\u00e2y c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef, b\u1ea1n \u0111\u00e3 c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi chi ti\u1ebft v\u00e0 r\u00f5 r\u00e0ng nh\u1ea5t. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap \u00edch b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a b\u1ea3n th\u00e2n. Truy c\u1eadp website c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u0111\u1ec3 c\u00f3 th\u00eam nhi\u1ec1u th\u00f4ng tin v\u1ec1 c\u00e1c nguy\u00ean t\u1ed1 H\u00f3a h\u1ecdc th\u00fa v\u1ecb kh\u00e1c!<\/p>\n<p>                                    Ngu\u1ed3n tham kh\u1ea3o<\/p>\n<p>Sulfur &#8211; Ng\u00e0y truy c\u1eadp: 15\/06\/2022<\/p>\n<p>https:\/\/en.wikipedia.org\/wiki\/Sulfur<\/p>\n<p>Sulfur &#8211; Element information, properties and uses &#8211; Ng\u00e0y truy c\u1eadp: 15\/06\/2022<\/p>\n<p>https:\/\/www.rsc.org\/periodic-table\/element\/16\/sulfur<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f3 t\u1edbi 4.610.000 k\u1ebft qu\u1ea3 trong v\u00f2ng 0,35 gi\u00e2y khi t\u00ecm ki\u1ebfm t\u1eeb kh\u00f3a \u201ct\u00e1c h\u1ea1i c\u1ee7a l\u01b0u hu\u1ef3nh\u201d tr\u00ean google. V\u1eady l\u01b0u hu\u1ef3nh l\u00e0 g\u00ec, c\u00f3 \u0111\u1ed9c hay kh\u00f4ng? C\u00f9ng t\u00ecm hi\u1ec3u t\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a lo\u1ea1i ch\u1ea5t ph\u1ed5 bi\u1ebfn n\u00e0y.\u00a0 H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-19799","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=19799"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19799\/revisions"}],"predecessor-version":[{"id":25032,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19799\/revisions\/25032"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=19799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=19799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=19799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}