{"id":20984,"date":"2025-07-08T01:05:52","date_gmt":"2025-07-07T18:05:52","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=20984"},"modified":"2025-07-09T00:35:42","modified_gmt":"2025-07-08T17:35:42","slug":"tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/","title":{"rendered":"T\u00ecm hi\u1ec3u v\u1ec1 silic dioxit l\u00e0 g\u00ec? Ng\u00e0nh c\u00f4ng nghi\u1ec7p Silicat c\u00f3 \u1ee9ng d\u1ee5ng g\u00ec?"},"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\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Silicon_dioxide_la_gi\" >Silicon dioxide 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\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Trang_thai_tu_nhien_cua_silicon_dioxide\" >Tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a silicon dioxide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Tinh_chat_hoa_hoc_cua_silicon_dioxide\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a silicon dioxide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Lam_the_nao_de_chuan_bi_silicon_dioxide\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb silicon dioxide?<\/a><\/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\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Ung_dung_cua_Silicon_Dioxide_va_Silicate_Industry\" >\u1ee8ng d\u1ee5ng c\u1ee7a Silicon Dioxide v\u00e0 Silicate Industry<\/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\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Ap_dung_silicon_dioxide_trong_linh_vuc_xay_dung\" >\u00c1p d\u1ee5ng silicon dioxide trong l\u0129nh v\u1ef1c x\u00e2y d\u1ef1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#San_xuat_gom_silicon_dioxide\" >S\u1ea3n xu\u1ea5t g\u1ed1m silicon dioxide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#San_xuat_Silicon_Dioxide\" >S\u1ea3n xu\u1ea5t Silicon Dioxide<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Tap_the_duc_tren_Silicon_Dioxide_va_Silicat_va_Sach_giao_khoa_hoa_hoc_9_voi_cac_giai_phap\" >T\u1eadp th\u1ec3 d\u1ee5c tr\u00ean Silicon Dioxide v\u00e0 Silicat v\u00e0 S\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc 9 v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Bai_tap_2_Hoa_hoc_SGK_9_Trang_95\" >B\u00e0i t\u1eadp 2 (H\u00f3a h\u1ecdc SGK 9 Trang 95)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Bai_tap_4_Hoa_hoc_SGK_9_Trang_95\" >B\u00e0i t\u1eadp 4 (H\u00f3a h\u1ecdc SGK 9 Trang 95)<\/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\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Bai_tap_301_Hoa_hoc_SBT_9_Trang_38\" >B\u00e0i t\u1eadp 30.1 (H\u00f3a h\u1ecdc SBT 9 Trang 38)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Bai_302_Hoa_hoc_SBT_9_Trang_38\" >B\u00e0i 30.2 (H\u00f3a h\u1ecdc SBT 9 Trang 38)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/tim-hieu-ve-silic-dioxit-la-gi-nganh-cong-nghiep-silicat-co-ung-dung-gi\/#Bai_303_Hoa_hoc_SBT_9_Trang_38\" >B\u00e0i 30.3 (H\u00f3a h\u1ecdc SBT 9 Trang 38)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Silicon Dioxide l\u00e0 m\u1ed9t c\u00e1i t\u00ean m\u00e0 b\u1ea1n s\u1ebd th\u1ea5y th\u01b0\u1eddng xuy\u00ean v\u00ec ch\u00fang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ea5t nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng. Do \u0111\u00f3, khi n\u1eafm b\u1eaft c\u00e1c thu\u1ed9c t\u00ednh, tr\u1ea1ng th\u00e1i c\u0169ng nh\u01b0 c\u00e1ch chu\u1ea9n b\u1ecb, \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ecd s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c quan tr\u1ecdng h\u01a1n v\u00e0 \u00e1p d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480.png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Silicon_dioxide_la_gi\"><\/span>Silicon dioxide l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Silicon Dioxide c\u0169ng c\u00f3 nhi\u1ec1u t\u00ean kh\u00e1c nhau nh\u01b0 Silica. Tr\u00ean th\u1ef1c t\u1ebf, silicon dioxide l\u00e0 m\u1ed9t oxit axit khi ho\u1ea1t \u0111\u1ed9ng v\u1edbi oxit c\u01a1 b\u1ea3n v\u00e0 ki\u1ec1m s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i silicat \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/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\/silic-dioxit-9.jpg\" alt=\"T\u00ecm hi\u1ec3u v\u1ec1 silicon. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc nh\u01b0 sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">SiO2 (r) + 2naoh (r) \u2192 Na2SIO3 (r) + H2O (k) (\u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao).<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">SiO2 (r) + CaO (r) \u2192 casio3 (r) (\u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao).<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Silicon dioxide ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc v\u00e0 c\u00f3 \u0111\u1ed9 c\u1ee9ng cao. C\u00e1c ph\u00e2n t\u1eed c\u1ee7a silicon dioxide s\u1ebd kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t m\u00ecnh, v\u00ec v\u1eady n\u00f3 ch\u1eafc ch\u1eafn s\u1ebd t\u1ea1o ra c\u00e1c tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean r\u1ea5t th\u00fa v\u1ecb. Hi\u1ec3u nh\u1eefng g\u00ec silicon dioxide s\u1ebd gi\u00fap b\u1ea1n bi\u1ebft nhi\u1ec1u h\u01a1n l\u00fd do t\u1ea1i sao ch\u00fang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong r\u1ea5t nhi\u1ec1u l\u0129nh v\u1ef1c c\u1ee7a cu\u1ed9c s\u1ed1ng.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Trang_thai_tu_nhien_cua_silicon_dioxide\"><\/span>Tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a silicon dioxide<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Th\u00f4ng th\u01b0\u1eddng n\u1ebfu n\u00f3i \u0111\u1ebfn t\u00ean c\u1ee7a silicon dioxide, nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng kh\u00f4ng ch\u00fa \u00fd ho\u1eb7c ch\u00fa \u00fd qu\u00e1 nhi\u1ec1u. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n t\u00ecm hi\u1ec3u v\u1ec1 tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a ch\u00fang, b\u1ea1n s\u1ebd th\u1ea5y ch\u00fang kh\u00e1 quen thu\u1ed9c trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00ec ch\u00fang xu\u1ea5t hi\u1ec7n v\u00e0 c\u00f3 m\u1eb7t trong nhi\u1ec1u s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u1ed3 d\u00f9ng quen thu\u1ed9c. V\u1eady tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a silicon dioxide l\u00e0 g\u00ec?<\/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\/silic-dioxit-7.jpg\" alt=\"T\u00ecm hi\u1ec3u v\u1ec1 silicon. (\u1ea2nh: Healthline.com)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Trong tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean, silicon dioxide s\u1ebd t\u1ed3n t\u1ea1i \u1edf hai d\u1ea1ng ch\u00ednh, micro v\u00e0 tinh th\u1ec3. \u0110\u1eb7c bi\u1ec7t, \u1edf tr\u1ea1ng th\u00e1i vi m\u00f4, b\u1ea1n s\u1ebd g\u1eb7p ch\u00fang d\u01b0\u1edbi d\u1ea1ng c\u00e1t, tridimit, cencedoan, cristobalit, \u0111\u00e1 agate. Tuy nhi\u00ean, b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i tr\u1ea1ng th\u00e1i th\u01b0\u1eddng xuy\u00ean nh\u1ea5t c\u1ee7a silicon dioxide d\u01b0\u1edbi d\u1ea1ng c\u00e1t. \u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0 ch\u00fang c\u0169ng l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t c\u1ee7a l\u1edbp v\u1ecf tr\u00e1i \u0111\u1ea5t.<\/p>\n<p dir=\"ltr\">Trong \u0111i\u1ec1u ki\u1ec7n \u00e1p l\u1ef1c b\u00ecnh th\u01b0\u1eddng, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 silicon dioxide t\u1ed3n t\u1ea1i? Theo \u0111\u00f3, n\u1ebfu trong \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t b\u00ecnh th\u01b0\u1eddng, c\u00e1c tinh th\u1ec3 c\u1ee7a silicon dioxide s\u1ebd t\u1ed3n t\u1ea1i d\u01b0\u1edbi d\u1ea1ng tridimit, th\u1ea1ch anh v\u00e0 cristobalit. Trong m\u1ed7i h\u00ecnh th\u1ee9c kh\u00e1c nhau, c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh kh\u00e1c nhau v\u00e0 kh\u00e1c nhau. S\u1ef1 linh ho\u1ea1t trong tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean c\u1ee7a silicon dioxide l\u00e0 m\u1ed9t \u0111i\u1ec3m gi\u00fap ch\u00fang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u ng\u00e0y nay trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_silicon_dioxide\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a silicon dioxide<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u1ea1i sao silicon dioxide \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ea5t nhi\u1ec1u? \u0110\u00f3 l\u00e0 t\u1ea5t c\u1ea3 b\u1edfi v\u00ec ch\u00fang c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc kh\u00e1 n\u1ed5i b\u1eadt. Theo \u0111\u00f3, silicon dioxide c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc nh\u01b0:<\/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\/silic-dioxit-10.jpg\" alt=\"Nghi\u00ean c\u1ee9u Trust H\u00f3a h\u1ecdc. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<p>Silicon dioxide ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc.<\/p>\n<p>Khi h\u00e0nh \u0111\u1ed9ng v\u1edbi oxit boad v\u00e0 ki\u1ec1m, n\u00f3 s\u1ebd t\u1ea1o th\u00e0nh mu\u1ed1i silicat \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">SiO2 + 2naoh \u2192 Na2SIO3 + H2O<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">SiO2 + Na2Co3 \u2192 NA2SIO3 + CO2<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Silicon dioxide c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u1ed1i v\u1edbi axit flohained:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">SiO2 + 4HF \u2192 SIF4 + 2H2O<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">SiO2 + 6HF (t\u1eadp trung) \u2192 H2SIF6 + 2H2O<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Lam_the_nao_de_chuan_bi_silicon_dioxide\"><\/span>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb silicon dioxide?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Tr\u00ean th\u1ef1c t\u1ebf, b\u1ea1n s\u1ebd th\u1ea5y r\u1eb1ng silicon dioxide r\u1ea5t ph\u1ed5 bi\u1ebfn trong cu\u1ed9c s\u1ed1ng v\u00e0 ch\u00fang th\u01b0\u1eddng c\u00f3 s\u1eb5n. Tuy nhi\u00ean, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 chu\u1ea9n b\u1ecb v\u00e0 t\u1ed5ng h\u1ee3p ch\u00fang v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p c\u01a1 b\u1ea3n kh\u00e1c nhau. T\u1ed5ng h\u1ee3p silicon dioxide s\u1ebd gi\u00fap \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng t\u0103ng.<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Chu\u1ea9n b\u1ecb silicon dioxide b\u1eb1ng c\u00e1ch cho ph\u00e9p silicon ho\u1ea1t \u0111\u1ed9ng v\u1edbi oxy trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bao ph\u1ee7 m\u1ed9t l\u1edbp silicon dioxide tr\u00ean b\u1ec1 m\u1eb7t silicon. Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh sau:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">SI (R) + O2 (K) \u2192 SiO2 (r)<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf silicon dioxide v\u1edbi thu\u1ed1c phun kh\u00f3i: \u0110\u00e2y th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1ee7y ph\u00e2n silicon halogen v\u1edbi hydro v\u00e0 oxy \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">2H2 + O2 + SICL4 \u2192 SiO2 + 4HCL<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u01b0\u01a1ng ph\u00e1p Sol-Gel: \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf silicon dioxide b\u1eb1ng c\u00e1ch th\u1ee7y ph\u00e2n m\u1ed9t alkoxoxysilan v\u1edbi ch\u1ea5t x\u00fac t\u00e1c m\u00e0 axit ho\u1eb7c bazo. Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Si (ho\u1eb7c) 4 + 2H2O \u2192 SiO2 + 4ROH<\/p>\n<p dir=\"ltr\">Ngo\u00e0i c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, c\u0169ng c\u00f3 th\u1ec3 chu\u1ea9n b\u1ecb silicon dioxide b\u1eb1ng m\u1ed9t ch\u00fat &#8211; r\u1eafn \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p (nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng). V\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ed5ng h\u1ee3p silicon dioxide d\u1ec5 d\u00e0ng.<\/p>\n<p dir=\"ltr\">Xem th\u00eam: <\/p>\n<ul>\n<li>Silicon v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a silicon: chi ti\u1ebft v\u1ec1 c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng<\/li>\n<li>Oxit carbon (CO) l\u00e0 g\u00ec? Thu\u1ed9c t\u00ednh v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_Silicon_Dioxide_va_Silicate_Industry\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a Silicon Dioxide v\u00e0 Silicate Industry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Silicon Dioxide hi\u1ec7n xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u1ee7a cu\u1ed9c s\u1ed1ng. N\u00f3i c\u00e1ch kh\u00e1c, vi\u1ec7c \u00e1p d\u1ee5ng silicon dioxide s\u1ebd th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p silicat.<\/p>\n<p dir=\"ltr\">Trong n\u1ec1n kinh t\u1ebf hi\u1ec7n t\u1ea1i, ng\u00e0nh c\u00f4ng nghi\u1ec7p silicon dioxide, hay silicat \u0111\u00f3ng vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng. Theo \u0111\u00f3, ng\u00e0nh c\u00f4ng nghi\u1ec7p silicat s\u1ebd bao g\u1ed3m nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1ecf nh\u01b0 s\u1ea3n xu\u1ea5t xi m\u0103ng, s\u1ea3n xu\u1ea5t th\u1ee7y tinh, s\u1ea3n xu\u1ea5t g\u1ed1m &#8230;<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ap_dung_silicon_dioxide_trong_linh_vuc_xay_dung\"><\/span>\u00c1p d\u1ee5ng silicon dioxide trong l\u0129nh v\u1ef1c x\u00e2y d\u1ef1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 t\u1edbi 95% silicon dioxide \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong ng\u00e0nh x\u00e2y d\u1ef1ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng silicon dioxide \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ch\u1ea5t c\u1ef1c k\u1ef3 quan tr\u1ecdng trong ng\u00e0nh n\u00e0y v\u00e0 mang l\u1ea1i r\u1ea5t nhi\u1ec1u gi\u00e1 tr\u1ecb tuy\u1ec7t v\u1eddi. Silicon dioxide s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t xi m\u0103ng.<\/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\/silic-dioxit.jpg\" alt=\"\u1ee8ng d\u1ee5ng silicon trong s\u1ea3n xu\u1ea5t xi m\u0103ng l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u1ee5 th\u1ec3, m\u1ed9t h\u1ed7n h\u1ee3p c\u00e1t, n\u01b0\u1edbc, \u0111\u1ea5t s\u00e9t, \u0111\u00e1 v\u00f4i, trong \u0111\u00f3, \u0111\u00e1 v\u00f4i v\u00e0 \u0111\u1ea5t s\u00e9t s\u1ebd b\u1ecb nghi\u1ec1n n\u00e1t. H\u1ed7n h\u1ee3p n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t d\u1ea1ng b\u00f9n. H\u1ed7n h\u1ee3p s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng trong l\u00f2 xi m\u0103ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao l\u00ean t\u1edbi 1400 &#8211; 1500 \u0111\u1ed9 C.<\/p>\n<p dir=\"ltr\">K\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ebd t\u1ea1o ra clinker r\u1eafn v\u00e0 ti\u1ebfp t\u1ee5c ngu\u1ed9i. Clinker n\u00e0y s\u1ebd ti\u1ebfp t\u1ee5c b\u1ecb nghi\u1ec1n n\u00e1t v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t ph\u1ee5 gia kh\u00e1c \u0111\u1ec3 t\u1ea1o th\u00e0nh xi m\u0103ng. Xi m\u0103ng b\u00e2y gi\u1edd l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u quan tr\u1ecdng v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu trong ng\u00e0nh x\u00e2y d\u1ef1ng. \u0110\u1eb7c bi\u1ec7t l\u00e0 trong t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng tr\u00ecnh, xi m\u0103ng \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t li\u00ean k\u1ebft b\u1ec1n v\u1eefng v\u00e0 v\u1eefng ch\u1eafc.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"San_xuat_gom_silicon_dioxide\"><\/span>S\u1ea3n xu\u1ea5t g\u1ed1m silicon dioxide<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ngo\u00e0i vi\u1ec7c l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a ng\u00e0nh x\u00e2y d\u1ef1ng, silicon dioxide c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ed3 g\u1ed1m. Tr\u1ed9n th\u1ea1ch anh, \u0111\u1ea5t s\u00e9t v\u00e0 fenspat c\u00f9ng v\u1edbi n\u01b0\u1edbc s\u1ebd t\u1ea1o th\u00e0nh m\u1ed9t kh\u1ed1i linh ho\u1ea1t. \u0110\u1eb7c bi\u1ec7t, c\u00e1c th\u00e0nh ph\u1ea7n s\u1ebd \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u1edbi nhau theo m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh.<\/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\/silic-dioxit-4.jpg\" alt=\"\u1ee8ng d\u1ee5ng silicon trong s\u1ea3n xu\u1ea5t g\u1ed1m. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">H\u1ed7n h\u1ee3p n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra m\u1ed9t h\u00ecnh d\u1ea1ng c\u1ee5 th\u1ec3 v\u00e0 ti\u1ebfn h\u00e0nh \u0111\u1ed1t trong l\u00f2 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p. K\u1ebft qu\u1ea3 s\u1ebd l\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed1m \u0111\u1eb9p, b\u1ec1n. \u0110\u1eb7c bi\u1ec7t l\u00e0 b\u00e2y gi\u1edd g\u1ed1m c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 xu\u1ea5t hi\u1ec7n trong t\u1ea5t c\u1ea3 c\u00e1c kh\u00f4ng gian gia \u0111\u00ecnh v\u00e0 v\u0103n ph\u00f2ng v\u00e0 mang l\u1ea1i nhi\u1ec1u gi\u00e1 tr\u1ecb tuy\u1ec7t v\u1eddi.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"San_xuat_Silicon_Dioxide\"><\/span>S\u1ea3n xu\u1ea5t Silicon Dioxide<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Hi\u1ec7n t\u1ea1i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ee7y tinh, silicon dioxide c\u0169ng l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng. Theo \u0111\u00f3, silicon dioxide s\u1ebd \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi soda, \u0111\u00e1 v\u00f4i theo m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh. H\u1ed7n h\u1ee3p n\u00e0y s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c n\u01b0\u1edbng \u1edf 900OC trong l\u00f2 quay. Sau \u0111\u00f3, th\u00e0nh ph\u1ea9m s\u1ebd l\u00e0 m\u1ed9t ly flabby.<\/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\/silic-dioxit-3.jpg\" alt=\"S\u1ea3n xu\u1ea5t th\u1ee7y tinh. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">K\u00ednh s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t \u0111\u1ec3 t\u1ea1o ra k\u00ednh linh ho\u1ea1t. K\u00ednh linh ho\u1ea1t \u0111\u00f3 s\u1ebd b\u1ecb \u00e9p bu\u1ed9c ho\u1eb7c th\u1ed5i \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng mong mu\u1ed1n. V\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m th\u1ee7y tinh s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh nh\u01b0 b\u00e2y gi\u1edd. Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc nh\u01b0 sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Caco3 (T \u00b0) \u2192 CaO + CO2<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cao + SiO2 (t \u00b0) \u2192 casio3<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Na2Co3 + SiO2 (T \u00b0) \u2192 Na2SIO3 + CO2<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Ngo\u00e0i c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean, tr\u00ean th\u1ef1c t\u1ebf, silicon dioxide c\u0169ng c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng kh\u00e1c nh\u01b0:<\/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\/silic-dioxit-13.jpg\" alt=\"\u1ee8ng d\u1ee5ng silicon trong x\u1eed l\u00fd n\u01b0\u1edbc. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1eed d\u1ee5ng silicon dioxide \u0111\u1ec3 l\u1ecdc ho\u1eb7c x\u1eed l\u00fd n\u01b0\u1edbc tinh khi\u1ebft.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Silicon dioxide d\u01b0\u1edbi d\u1ea1ng c\u00e1t s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00fac c\u00e1t ho\u1eb7c s\u1ea3n xu\u1ea5t c\u00e1c v\u1eadt ph\u1ea9m kim lo\u1ea1i v\u00e0 chi ti\u1ebft. L\u00fd do l\u00e0 v\u00ec h\u1ecd c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y cao.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1eed d\u1ee5ng silicon dioxide \u0111\u1ec3 t\u1ea1o ra natri silicat. \u0110\u00e2y l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t thu\u1ed1c nhu\u1ed9m m\u00e0u v\u00e0 x\u00e0 ph\u00f2ng.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tap_the_duc_tren_Silicon_Dioxide_va_Silicat_va_Sach_giao_khoa_hoa_hoc_9_voi_cac_giai_phap\"><\/span>T\u1eadp th\u1ec3 d\u1ee5c tr\u00ean Silicon Dioxide v\u00e0 Silicat v\u00e0 S\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc 9 v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">H\u00f3a h\u1ecdc SGK 9 Hi\u1ec7n t\u1ea1i c\u00f3 nhi\u1ec1u b\u00e0i t\u1eadp t\u1ed1t v\u1ec1 silicon dioxide. C\u1ee5 th\u1ec3, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp v\u00e0 gi\u1ea3i ph\u00e1p c\u01a1 b\u1ea3n nh\u01b0 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\/silic-dioxit-12.jpg\" alt=\"\u00c1p d\u1ee5ng l\u00fd thuy\u1ebft b\u00e0i t\u1eadp h\u00f3a h\u1ecdc. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_2_Hoa_hoc_SGK_9_Trang_95\"><\/span>B\u00e0i t\u1eadp 2 (H\u00f3a h\u1ecdc SGK 9 Trang 95)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u00f4 t\u1ea3 ng\u1eafn g\u1ecdn c\u00e1c giai \u0111o\u1ea1n ch\u00ednh trong s\u1ea3n xu\u1ea5t g\u1ed1m.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">C\u00e1c giai \u0111o\u1ea1n ch\u00ednh trong s\u1ea3n xu\u1ea5t g\u1ed1m bao g\u1ed3m:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Knance th\u1ea1ch anh, \u0111\u1ea5t s\u00e9t, ch\u1eafn b\u00f9n v\u1edbi n\u01b0\u1edbc theo t\u1ef7 l\u1ec7 ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u1ed7n h\u1ee3p, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u1ed1i nh\u1ef1a.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ed1i l\u01b0\u1ee3ng nh\u1ef1a n\u00e0y s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh v\u00e0 n\u01b0\u1edbng trong l\u00f2 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p. S\u1ea3n ph\u1ea9m s\u1ebd l\u00e0 m\u1ed9t \u0111\u1ed3 g\u1ed1m ph\u1ed5 bi\u1ebfn ng\u00e0y nay.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_4_Hoa_hoc_SGK_9_Trang_95\"><\/span>B\u00e0i t\u1eadp 4 (H\u00f3a h\u1ecdc SGK 9 Trang 95)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ch\u1ee7 \u0111\u1ec1: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 s\u1ea3n xu\u1ea5t th\u1ee7y tinh? Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra trong qu\u00e1 tr\u00ecnh n\u1ea5u th\u1ee7y tinh.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t th\u1ee7y tinh:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tr\u1ed9n c\u00e1t, h\u1ed7n h\u1ee3p \u0111\u00e1 v\u00f4i, soda theo t\u1ef7 l\u1ec7 th\u00edch h\u1ee3p.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1t ch\u00e1y h\u1ed7n h\u1ee3p trong l\u00f2 \u1edf kho\u1ea3ng 900 \u0111\u1ed9 C.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1eeb t\u1eeb l\u00e0m m\u00e1t k\u00ednh linh ho\u1ea1t, th\u1ee7y tinh b\u1eaft bu\u1ed9c v\u00e0o c\u00e1c v\u1eadt th\u1ec3.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Caco3 (T \u00b0) \u2192 Chi\u1ec1u cao + CO2<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cao + SiO2 (t \u00b0) \u2192 casio3<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Na2Co3 + SiO2 (T \u00b0) \u2192 Na2SIO3 + CO2<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_301_Hoa_hoc_SBT_9_Trang_38\"><\/span>B\u00e0i t\u1eadp 30.1 (H\u00f3a h\u1ecdc SBT 9 Trang 38)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u1eb7p n\u00e0o sau \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c c\u00f9ng nhau? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc (n\u1ebfu c\u00f3).<\/p>\n<p dir=\"ltr\">a) SiO2 v\u00e0 CO; b) SiO2 v\u00e0 NaOH;<\/p>\n<p dir=\"ltr\">c) SiO2 v\u00e0 cao; d) SiO2 v\u00e0 H2SO4;<\/p>\n<p dir=\"ltr\">e) SiO2 v\u00e0 H20.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">C\u00e1c c\u1eb7p ch\u1ea5t c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi nhau:<\/p>\n<p dir=\"ltr\">B) SiO2 + 2Naoh \u2192 Na2SIO3 + H2O<\/p>\n<p dir=\"ltr\">c) SiO2 + CaO \u2192 Casio3.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_302_Hoa_hoc_SBT_9_Trang_38\"><\/span>B\u00e0i 30.2 (H\u00f3a h\u1ecdc SBT 9 Trang 38)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">M\u1ed9t lo\u1ea1i th\u1ee7y tinh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m c\u1eeda th\u1ee7y tinh, ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n: 75% SiO2; Cao 12%; 13% NA20. T\u00ecm c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a th\u1ee7y tinh \u1edf d\u1ea1ng oxit.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc cho lo\u1ea1i th\u1ee7y tinh n\u00e0y l\u00e0:<\/p>\n<p dir=\"ltr\">xna2o.ycao.zsio2; MNA2O = 62g; MCAO = 56g; MSIO2 = 60g<\/p>\n<p dir=\"ltr\">V\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau: X, Y, Z l\u00e0 s\u1ed1 nguy\u00ean v\u00e0 s\u1ed1 d\u01b0\u01a1ng;<\/p>\n<p dir=\"ltr\">T\u1ef7 l\u1ec7 x: y: z l\u00e0 s\u1ed1 th\u00f4 \u0111\u01a1n gi\u1ea3n nh\u1ea5t. Khi b\u1eaft \u0111\u1ea7u b\u00e0i vi\u1ebft, ch\u00fang t\u00f4i c\u00f3 t\u1ef7 l\u1ec7:<\/p>\n<p dir=\"ltr\">X: Y: Z = 13\/62: 12\/56: 75\/60 \u200b\u200b= 0.21: 0.21: 1,25 = 1: 1: 6<\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a th\u1ee7y tinh tr\u00ean l\u00e0 na2o.cao.6sio2.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_303_Hoa_hoc_SBT_9_Trang_38\"><\/span>B\u00e0i 30.3 (H\u00f3a h\u1ecdc SBT 9 Trang 38)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i h\u00f3a h\u1ecdc sau:<\/p>\n<p dir=\"ltr\">NA2CO3 + &#8230;&#8230;.. + &#8230;&#8230;.. + &#8230;&#8230;..<\/p>\n<p dir=\"ltr\">&#8230;&#8230;&#8230;.. + SiO2 \u2192 &#8230;&#8230;&#8230; + &#8230;&#8230;&#8230;..<\/p>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p:<\/p>\n<p dir=\"ltr\">1.<\/p>\n<p dir=\"ltr\">2. Caco3 + SiO2 \u2192 CASI3 + CO2<\/p>\n<p dir=\"ltr\">Silicon Dioxide hi\u1ec7n \u0111\u00e3 xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u1ee7a cu\u1ed9c s\u1ed1ng. T\u1eeb xi m\u0103ng, g\u1ed1m, th\u1ee7y tinh ho\u1eb7c x\u00e0 ph\u00f2ng &#8230; t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a silicon dioxide. Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 truy c\u1eadp trang web kh\u1ec9 m\u1ed7i ng\u00e0y \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 b\u1ea3n th\u00e2n v\u1ec1 nhi\u1ec1u ch\u1ee7 \u0111\u1ec1 th\u00fa v\u1ecb kh\u00e1c.<\/p>\n<\/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>Silicon Dioxide l\u00e0 m\u1ed9t c\u00e1i t\u00ean m\u00e0 b\u1ea1n s\u1ebd th\u1ea5y th\u01b0\u1eddng xuy\u00ean v\u00ec ch\u00fang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ea5t nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng. Do \u0111\u00f3, khi n\u1eafm b\u1eaft c\u00e1c thu\u1ed9c t\u00ednh, tr\u1ea1ng th\u00e1i c\u0169ng nh\u01b0 c\u00e1ch chu\u1ea9n b\u1ecb, \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ecd s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c quan tr\u1ecdng h\u01a1n v\u00e0 \u00e1p d\u1ee5ng trong&#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-20984","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20984","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=20984"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20984\/revisions"}],"predecessor-version":[{"id":25416,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20984\/revisions\/25416"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=20984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=20984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=20984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}