{"id":75083,"date":"2025-09-24T09:09:58","date_gmt":"2025-09-24T09:09:58","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=75083"},"modified":"2025-11-01T05:56:44","modified_gmt":"2025-11-01T05:56:44","slug":"15-chemistry-quiz-questions-and-answers-vi","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/vi\/15-chemistry-quiz-questions-and-answers-vi\/","title":{"rendered":"15 c\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u00e0i ki\u1ec3m tra h\u00f3a h\u1ecdc"},"content":{"rendered":"<p>Ki\u1ebfn th\u1ee9c h\u00f3a h\u1ecdc \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m, nguy\u00ean t\u1eafc v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng c\u01a1 b\u1ea3n li\u00ean quan \u0111\u1ebfn nghi\u00ean c\u1ee9u v\u1eadt ch\u1ea5t v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a n\u00f3. N\u00f3 bao g\u1ed3m c\u00e1c tr\u01b0\u1eddng con kh\u00e1c nhau nh\u01b0 h\u00f3a h\u1ecdc h\u1eefu c\u01a1, h\u00f3a h\u1ecdc v\u00f4 c\u01a1, h\u00f3a h\u1ecdc v\u1eadt l\u00fd, h\u00f3a h\u1ecdc ph\u00e2n t\u00edch v\u00e0 h\u00f3a sinh.<\/p>\n<p>C\u00f3 ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 h\u00f3a h\u1ecdc l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 cho ph\u00e9p c\u00e1c c\u00e1 nh\u00e2n:<\/p>\n<p>Hi\u1ec3u th\u00e0nh ph\u1ea7n v\u00e0 h\u00e0nh vi c\u1ee7a v\u1eadt ch\u1ea5t: H\u00f3a h\u1ecdc gi\u00fap gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac, t\u00ednh ch\u1ea5t v\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a c\u00e1c ch\u1ea5t, t\u1eeb c\u00e1c y\u1ebfu t\u1ed1 \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn c\u00e1c h\u1ee3p ch\u1ea5t ph\u1ee9c t\u1ea1p.<br \/>\n\u00c1p d\u1ee5ng l\u00fd lu\u1eadn khoa h\u1ecdc v\u00e0 k\u1ef9 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1: Ki\u1ebfn th\u1ee9c h\u00f3a h\u1ecdc cho ph\u00e9p c\u00e1c c\u00e1 nh\u00e2n ph\u00e2n t\u00edch v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 y h\u1ecdc, k\u1ef9 thu\u1eadt, khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng v\u00e0 khoa h\u1ecdc v\u1eadt li\u1ec7u.<br \/>\n\u0110\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y: H\u00f3a h\u1ecdc cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 c\u00e1c ch\u1ee7 \u0111\u1ec1 nh\u01b0 dinh d\u01b0\u1ee1ng, s\u1ee9c kh\u1ecfe, s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng, b\u1ec1n v\u1eefng m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng.<\/p>\n<h3>B\u1ea3ng n\u1ed9i dung<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#1\">Ph\u1ea7n 1: T\u1ea1o m\u1ed9t b\u00e0i ki\u1ec3m tra h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi s\u1eed d\u1ee5ng AI ngay l\u1eadp t\u1ee9c trong OnlineExamMaker<\/a><\/li>\n<li><a href=\"#2\">Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi &#038; c\u00e2u tr\u1ea3 l\u1eddi v\u1ec1 C\u00e2u h\u1ecfi H\u00f3a h\u1ecdc<\/a><\/li>\n<li><a href=\"#3\">Ph\u1ea7n 3: T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi \u0111\u1ed1 b\u1eb1ng tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/06\/chemistry-quiz-quiz.webp\" alt=\"\"\/><\/p>\n<h3 id=\"1\">Ph\u1ea7n 1: T\u1ea1o m\u1ed9t b\u00e0i ki\u1ec3m tra h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi s\u1eed d\u1ee5ng AI ngay l\u1eadp t\u1ee9c trong OnlineExamMaker<\/h3>\n<p>C\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ki\u1ebfn \u200b\u200bth\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c \u1ee9ng c\u1eed vi\u00ean l\u00e0 s\u1eed d\u1ee5ng n\u1ec1n t\u1ea3ng \u0111\u00e1nh gi\u00e1 AI nh\u01b0 OnlineExamMaker. V\u1edbi Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI OnlineExamMaker, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp n\u1ed9i dung nh\u01b0 v\u0103n b\u1ea3n, t\u00e0i li\u1ec7u ho\u1eb7c ch\u1ee7 \u0111\u1ec1, v\u00e0 sau \u0111\u00f3 t\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e1c c\u00e2u h\u1ecfi \u1edf c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau (v\u00ed d\u1ee5: nhi\u1ec1u l\u1ef1a ch\u1ecdn, \u0111\u00fang\/sai, c\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn). H\u1ecdc sinh l\u1edbp AI c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng ch\u1ea5m \u0111i\u1ec3m b\u00e0i ki\u1ec3m tra v\u00e0 t\u1ea1o c\u00e1c b\u00e1o c\u00e1o s\u00e2u s\u1eafc sau khi \u1ee9ng vi\u00ean c\u1ee7a b\u1ea1n g\u1eedi \u0111\u00e1nh gi\u00e1.<\/p>\n<p><strong> T\u1ed5ng quan v\u1ec1 c\u00e1c t\u00ednh n\u0103ng li\u00ean quan \u0111\u1ebfn \u0111\u00e1nh gi\u00e1 ch\u00ednh c\u1ee7a n\u00f3: <\/strong><br \/>\n\u25cf T\u1ea1o t\u1ed1i \u0111a 10 lo\u1ea1i c\u00e2u h\u1ecfi, bao g\u1ed3m nhi\u1ec1u l\u1ef1a ch\u1ecdn, \u0111\u00fang\/sai, \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng, ph\u00f9 h\u1ee3p, c\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn v\u00e0 c\u00e2u h\u1ecfi ti\u1ec3u lu\u1eadn.<br \/>\n\u25cf T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e1c b\u00e1o c\u00e1o chi ti\u1ebft v\u1ec1 \u0111i\u1ec3m s\u1ed1 c\u00e1 nh\u00e2n, b\u00e1o c\u00e1o c\u00e2u h\u1ecfi v\u00e0 hi\u1ec7u su\u1ea5t nh\u00f3m.<br \/>\nIs<br \/>\n\u25cf API v\u00e0 SSO gi\u00fap c\u00e1c hu\u1ea5n luy\u1ec7n vi\u00ean t\u00edch h\u1ee3p OpenExammaker v\u1edbi Google Classroom, Microsoft Teams, CRM v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.<\/p>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/div>\n<div class=\"p-style-b\">T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> T\u1ea1o m\u1ed9t c\u00e2u \u0111\u1ed1<\/a><\/div>\n<div class=\"p-style-b\">Mi\u1ec5n ph\u00ed 100% m\u00e3i m\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"2\">Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m h\u00f3a h\u1ecdc c\u00f9ng v\u1edbi c\u00e1c c\u00e2u tr\u1ea3 l\u1eddi t\u01b0\u01a1ng \u1ee9ng c\u1ee7a h\u1ecd<\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<div id=\"copy_questions\">\n<p>C\u00e2u 1: Nguy\u00ean t\u1eed carbon c\u00f3 s\u1ed1 nguy\u00ean t\u1eed l\u00e0 bao nhi\u00eau?<br \/>\nA) 4<br \/>\nB) 6<br \/>\nC) 8<br \/>\nD) 12<br \/>\n\u0110\u00e1p \u00e1n: B) 6<br \/>\nGi\u1ea3i th\u00edch: S\u1ed1 nguy\u00ean t\u1eed c\u1ee7a carbon l\u00e0 s\u1ed1 proton trong h\u1ea1t nh\u00e2n c\u1ee7a n\u00f3, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 6 theo b\u1ea3ng tu\u1ea7n ho\u00e0n.  <\/p>\n<p>C\u00e2u 2: Ph\u1ea3n \u1ee9ng n\u00e0o sau \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 c\u1ee7a ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p?<br \/>\nA) 2H\u2082 + O\u2082 \u2192 2H\u2082O<br \/>\nB) CaCO\u2083 \u2192 CaO + CO\u2082<br \/>\nC) CH\u2084 + 2O\u2082 \u2192 CO\u2082 + 2H\u2082O<br \/>\nD) NaCl + AgNO\u2083 \u2192 AgCl + NaNO\u2083<br \/>\n\u0110\u00e1p \u00e1n: A) 2H\u2082 + O\u2082 \u2192 2H\u2082O<br \/>\nGi\u1ea3i th\u00edch: Ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p x\u1ea3y ra khi hai ho\u1eb7c nhi\u1ec1u ch\u1ea5t ph\u1ea3n \u1ee9ng k\u1ebft h\u1ee3p \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t ch\u1ea5t m\u1edbi, nh\u01b0 hydro v\u00e0 oxy t\u1ea1o th\u00e0nh n\u01b0\u1edbc.  <\/p>\n<p>C\u00e2u 3: Axit n\u00e0o sau \u0111\u00e2y l\u00e0 axit m\u1ea1nh?<br \/>\nA) CH\u2083COOH<br \/>\nB) H\u2082SO\u2084<br \/>\nC) H\u2082CO\u2083<br \/>\nD) NH\u2083<br \/>\n\u0110\u00e1p \u00e1n: B) H\u2082SO\u2084<br \/>\nGi\u1ea3i th\u00edch: H\u2082SO\u2084 l\u00e0 axit sulfuric, m\u1ed9t axit m\u1ea1nh v\u00ec n\u00f3 ion h\u00f3a ho\u00e0n to\u00e0n trong n\u01b0\u1edbc, gi\u1ea3i ph\u00f3ng nhi\u1ec1u ion H\u207a.  <\/p>\n<p>C\u00e2u 4: Kh\u1ed1i l\u01b0\u1ee3ng nguy\u00ean t\u1eed trung b\u00ecnh c\u1ee7a m\u1ed9t nguy\u00ean t\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean?<br \/>\nA) S\u1ed1 neutron<br \/>\nB) T\u1ef7 l\u1ec7 \u0111\u1ed3ng v\u1ecb v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u00fang<br \/>\nC) S\u1ed1 electron<br \/>\nD) Nhi\u1ec7t \u0111\u1ed9 nguy\u00ean t\u1eed<br \/>\n\u0110\u00e1p \u00e1n: B) T\u1ef7 l\u1ec7 \u0111\u1ed3ng v\u1ecb v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u00fang<br \/>\nGi\u1ea3i th\u00edch: Kh\u1ed1i l\u01b0\u1ee3ng nguy\u00ean t\u1eed trung b\u00ecnh l\u00e0 gi\u00e1 tr\u1ecb trung b\u00ecnh c\u00f3 tr\u1ecdng s\u1ed1 c\u1ee7a c\u00e1c \u0111\u1ed3ng v\u1ecb c\u1ee7a nguy\u00ean t\u1ed1, d\u1ef1a tr\u00ean t\u1ef7 l\u1ec7 xu\u1ea5t hi\u1ec7n t\u1ef1 nhi\u00ean.  <\/p>\n<p>C\u00e2u 5: Ch\u1ea5t n\u00e0o sau \u0111\u00e2y l\u00e0 ch\u1ea5t \u0111i\u1ec7n ly m\u1ea1nh?<br \/>\nA) \u0110\u01b0\u1eddng glucoza<br \/>\nB) NaCl<br \/>\nC) Ethanol<br \/>\nD) Glycerin<br \/>\n\u0110\u00e1p \u00e1n: B) NaCl<br \/>\nGi\u1ea3i th\u00edch: NaCl l\u00e0 ch\u1ea5t \u0111i\u1ec7n ly m\u1ea1nh v\u00ec n\u00f3 ph\u00e2n ly ho\u00e0n to\u00e0n th\u00e0nh ion Na\u207a v\u00e0 Cl\u207b trong dung d\u1ecbch n\u01b0\u1edbc, cho ph\u00e9p d\u1eabn \u0111i\u1ec7n.  <\/p>\n<p>C\u00e2u 6: C\u00f4ng th\u1ee9c c\u1ee7a n\u01b0\u1edbc l\u00e0 g\u00ec?<br \/>\nA) H\u2082O\u2082<br \/>\nB) CO\u2082<br \/>\nC) H\u2082O<br \/>\nD) NaOH<br \/>\n\u0110\u00e1p \u00e1n: C) H\u2082O<br \/>\nGi\u1ea3i th\u00edch: N\u01b0\u1edbc c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc H\u2082O, bao g\u1ed3m hai nguy\u00ean t\u1eed hydro v\u00e0 m\u1ed9t nguy\u00ean t\u1eed oxy li\u00ean k\u1ebft.  <\/p>\n<p>C\u00e2u 7: Nguy\u00ean t\u1ed1 n\u00e0o c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh nh\u1ea5t trong b\u1ea3ng tu\u1ea7n ho\u00e0n?<br \/>\nA) Fluor<br \/>\nB) Natri<br \/>\nC) Clo<br \/>\nD) Kali<br \/>\n\u0110\u00e1p \u00e1n: D) Kali<br \/>\nGi\u1ea3i th\u00edch: Kali n\u1eb1m \u1edf nh\u00f3m 1 v\u00e0 chu k\u00ec 4, c\u00f3 kh\u1ea3 n\u0103ng m\u1ea5t electron d\u1ec5 d\u00e0ng, l\u00e0m cho n\u00f3 c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh.  <\/p>\n<p>C\u00e2u 8: Ph\u1ea3n \u1ee9ng n\u00e0o l\u00e0 v\u00ed d\u1ee5 c\u1ee7a ph\u1ea3n \u1ee9ng oxi h\u00f3a-kh\u1eed?<br \/>\nA) 2Na + Cl\u2082 \u2192 2NaCl<br \/>\nB) CaCO\u2083 \u2192 CaO + CO\u2082<br \/>\nC) H\u2082 + I\u2082 \u2192 2HI<br \/>\nD) CH\u2084 + 2O\u2082 \u2192 CO\u2082 + 2H\u2082O<br \/>\n\u0110\u00e1p \u00e1n: A) 2Na + Cl\u2082 \u2192 2NaCl<br \/>\nGi\u1ea3i th\u00edch: Trong ph\u1ea3n \u1ee9ng n\u00e0y, natri b\u1ecb oxi h\u00f3a (m\u1ea5t electron) v\u00e0 clo b\u1ecb kh\u1eed (nh\u1eadn electron), \u0111\u00e2y l\u00e0 \u0111\u1eb7c tr\u01b0ng c\u1ee7a ph\u1ea3n \u1ee9ng oxi h\u00f3a-kh\u1eed.  <\/p>\n<p>C\u00e2u 9: Nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a n\u01b0\u1edbc \u1edf \u00e1p su\u1ea5t chu\u1ea9n l\u00e0 bao nhi\u00eau?<br \/>\nA) 0\u00b0C<br \/>\nB) 100\u00b0C<br \/>\nC) 273 K<br \/>\nD) 373 K<br \/>\n\u0110\u00e1p \u00e1n: B) 100\u00b0C<br \/>\nGi\u1ea3i th\u00edch: \u1ede \u00e1p su\u1ea5t chu\u1ea9n (1 atm), n\u01b0\u1edbc chuy\u1ec3n t\u1eeb l\u1ecfng sang kh\u00ed \u1edf 100\u00b0C.  <\/p>\n<p>C\u00e2u 10: Ch\u1ea5t n\u00e0o l\u00e0 baz\u01a1?<br \/>\nA) HCl<br \/>\nB) H\u2082SO\u2084<br \/>\nC) NaOH<br \/>\nD) CH\u2083COOH<br \/>\n\u0110\u00e1p \u00e1n: C) NaOH<br \/>\nGi\u1ea3i th\u00edch: NaOH l\u00e0 natri hydroxit, m\u1ed9t baz\u01a1 m\u1ea1nh v\u00ec n\u00f3 gi\u1ea3i ph\u00f3ng ion OH\u207b trong n\u01b0\u1edbc, l\u00e0m t\u0103ng \u0111\u1ed9 pH.  <\/p>\n<p>C\u00e2u 11: S\u1ed1 oxi h\u00f3a c\u1ee7a oxy trong h\u1ea7u h\u1ebft c\u00e1c h\u1ee3p ch\u1ea5t l\u00e0?<br \/>\nA) +2<br \/>\nB) -2<br \/>\nC) +1<br \/>\nD) -1<br \/>\n\u0110\u00e1p \u00e1n: B) -2<br \/>\nGi\u1ea3i th\u00edch: Oxy th\u01b0\u1eddng c\u00f3 s\u1ed1 oxi h\u00f3a -2 trong c\u00e1c h\u1ee3p ch\u1ea5t, tr\u1eeb m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u01b0 peroxide.  <\/p>\n<p>C\u00e2u 12: Dung d\u1ecbch n\u00e0o c\u00f3 pH l\u1edbn h\u01a1n 7?<br \/>\nA) Axit clohydric<br \/>\nB) Axit sulfuric<br \/>\nC) Natri hydroxit<br \/>\nD) Gi\u1ea5m<br \/>\n\u0110\u00e1p \u00e1n: C) Natri hydroxit<br \/>\nGi\u1ea3i th\u00edch: Natri hydroxit l\u00e0 baz\u01a1, l\u00e0m cho dung d\u1ecbch c\u00f3 pH l\u1edbn h\u01a1n 7, ch\u1ec9 t\u00ednh ki\u1ec1m.  <\/p>\n<p>C\u00e2u 13: Kh\u00ed n\u00e0o chi\u1ebfm ph\u1ea7n l\u1edbn trong kh\u00f4ng kh\u00ed?<br \/>\nA) O\u2082<br \/>\nB) CO\u2082<br \/>\nC) N\u2082<br \/>\nD) Ar<br \/>\n\u0110\u00e1p \u00e1n: C) N\u2082<br \/>\nGi\u1ea3i th\u00edch: Nit\u01a1 (N\u2082) chi\u1ebfm kho\u1ea3ng 78% th\u1ec3 t\u00edch c\u1ee7a kh\u00f4ng kh\u00ed.  <\/p>\n<p>C\u00e2u 14: H\u00f3a h\u1ecdc h\u1eefu c\u01a1 ch\u1ee7 y\u1ebfu nghi\u00ean c\u1ee9u v\u1ec1?<br \/>\nA) Kim lo\u1ea1i<br \/>\nB) H\u1ee3p ch\u1ea5t c\u1ee7a carbon<br \/>\nC) Axit v\u00e0 baz\u01a1<br \/>\nD) Kh\u00ed gas<br \/>\n\u0110\u00e1p \u00e1n: B) H\u1ee3p ch\u1ea5t c\u1ee7a carbon<br \/>\nGi\u1ea3i th\u00edch: H\u00f3a h\u1ecdc h\u1eefu c\u01a1 t\u1eadp trung v\u00e0o c\u00e1c h\u1ee3p ch\u1ea5t ch\u1ee9a carbon, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c chu\u1ed7i v\u00e0 v\u00f2ng carbon.  <\/p>\n<p>C\u00e2u 15: Ph\u1ea3n \u1ee9ng n\u00e0o l\u00e0 ph\u1ea3n \u1ee9ng trung h\u00f2a?<br \/>\nA) HCl + NaOH \u2192 NaCl + H\u2082O<br \/>\nB) 2H\u2082 + O\u2082 \u2192 2H\u2082O<br \/>\nC) CaCO\u2083 \u2192 CaO + CO\u2082<br \/>\nD) CH\u2084 + 2O\u2082 \u2192 CO\u2082 + 2H\u2082O<br \/>\n\u0110\u00e1p \u00e1n: A) HCl + NaOH \u2192 NaCl + H\u2082O<br \/>\nGi\u1ea3i th\u00edch: Ph\u1ea3n \u1ee9ng trung h\u00f2a x\u1ea3y ra gi\u1eefa axit (HCl) v\u00e0 baz\u01a1 (NaOH) \u0111\u1ec3 t\u1ea1o th\u00e0nh mu\u1ed1i v\u00e0 n\u01b0\u1edbc.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<h3 id=\"3\">Ph\u1ea7n 3: T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi \u0111\u1ed1 b\u1eb1ng tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/h3>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ef1 \u0111\u1ed9ng 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