{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Trong c\u00e1c c\u00e1ch s\u1eafp x\u1ebfp c\u00e1c ch\u1ea5t n\u00e0o v\u00ec nhi\u1ec7t d\u00e3n n\u1edf \u00edt t\u1edbi nhi\u1ec1u sau \u0111\u00e2y, c\u00e1ch n\u00e0o l\u00e0 \u0111\u00fang?","select":["A. Nh\u00f4m, \u0111\u1ed3ng, s\u1eaft","B. S\u1eaft, \u0111\u1ed3ng, nh\u00f4m ","C. S\u1eaft, nh\u00f4m, \u0111\u1ed3ng","D. \u0110\u1ed3ng, nh\u00f4m, s\u1eaft"],"hint":"","explain":"<span class='basic_left'>S\u1eaft, \u0111\u1ed3ng, nh\u00f4m v\u00ec nhi\u1ec7t d\u00e3n n\u1edf \u00edt t\u1edbi nhi\u1ec1u.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2551},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"T\u1ed1c \u0111\u1ed9 bay h\u01a1i ph\u1ee5 thu\u1ed9c v\u00e0o?","select":["A. Ch\u1ec9 nhi\u1ec7t \u0111\u1ed9","B. Ch\u1ec9 di\u1ec7n t\u00edch m\u1eb7t tho\u00e1ng","C. Ch\u1ec9 gi\u00f3","D. C\u1ea3 3 \u0111\u00e1p \u00e1n tr\u00ean"],"hint":"","explain":"<span class='basic_left'>T\u1ed1c \u0111\u1ed9 bay h\u01a1i ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9, gi\u00f3 v\u00e0 di\u1ec7n t\u00edch m\u1eb7t tho\u00e1ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2552},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Khi \u0111un n\u00f3ng m\u1ed9t b\u00ecnh th\u1ee7y tinh c\u00f3 ch\u1ee9a n\u01b0\u1edbc, \u0111\u1ea7u tr\u00ean c\u1eafm m\u1ed9t \u1ed1ng nh\u1ecf, h\u1ecfi m\u1ee9c n\u01b0\u1edbc trong \u1ed1ng thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o.","select":["A. Khi \u0111un, tho\u1ea1t ti\u00ean m\u1ef1c n\u01b0\u1edbc trong \u1ed1ng d\u00e2ng l\u00ean, sau \u0111\u00f3 t\u1ee5t xu\u1ed1ng m\u1ed9t ch\u00fat","B. M\u1ef1c n\u01b0\u1edbc d\u00e2ng l\u00ean ngay l\u1eadp t\u1ee9c","C. M\u1ef1c n\u01b0\u1edbc kh\u00f4ng \u0111\u1ed5i","D. Khi \u0111un, tho\u1ea1t ti\u00ean m\u1ef1c n\u01b0\u1edbc trong \u1ed1ng t\u1ee5t xu\u1ed1ng m\u1ed9t ch\u00fat,sau \u0111\u00f3 m\u1edbi d\u00e2ng l\u00ean cao h\u01a1n m\u1ee9c ban \u0111\u1ea7u"],"hint":"","explain":"<span class='basic_left'>B\u1edfi v\u00ec, b\u00ecnh th\u1ee7y tinh ti\u1ebfp x\u00fac v\u1edbi ng\u1ecdn l\u1eeda tr\u01b0\u1edbc, n\u1edf ra l\u00e0m cho ch\u1ea5t l\u1ecfng trong \u1ed1ng t\u1ee5t xu\u1ed1ng. Sau \u0111\u00f3, n\u01b0\u1edbc c\u0169ng n\u00f3ng l\u00ean v\u00e0 n\u1edf ra. V\u00ec n\u01b0\u1edbc n\u1edf nhi\u1ec1u h\u01a1n th\u1ee7y tinh, n\u00ean m\u1ef1c n\u01b0\u1edbc trong \u1ed1ng l\u1ea1i d\u00e2ng l\u00ean v\u00e0 d\u00e2ng l\u00ean cao h\u01a1n m\u1ee9c ban \u0111\u1ea7u.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2553},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"C\u00e1c kh\u1ed1i h\u01a1i n\u01b0\u1edbc b\u1ed1c l\u00ean t\u1eeb m\u1eb7t bi\u1ec3n, s\u00f4ng, h\u1ed3, b\u1ecb \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi chi\u1ebfu v\u00e0o n\u00ean.....v\u00e0 bay l\u00ean t\u1ea1o th\u00e0nh m\u00e2y.<br\/>Ch\u1ecdn c\u1ee5m t\u1eeb th\u00edch h\u1ee3p d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng c\u1ee7a c\u00e2u tr\u00ean.","select":["A. N\u1edf ra, n\u00f3ng l\u00ean, nh\u1eb9 \u0111i","B. N\u00f3ng l\u00ean, n\u1edf ra, nh\u1eb9 \u0111i","C. Nh\u1eb9 \u0111i, n\u1edf ra, n\u00f3ng l\u00ean","D. Nh\u1eb9 \u0111i, n\u00f3ng l\u00ean, n\u1edf ra"],"hint":"","explain":"<span class='basic_left'>C\u00e1c kh\u1ed1i h\u01a1i n\u01b0\u1edbc b\u1ed1c l\u00ean t\u1eeb m\u1eb7t bi\u1ec3n, s\u00f4ng, h\u1ed3, b\u1ecb \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi chi\u1ebfu v\u00e0o n\u00ean n\u00f3ng l\u00ean, n\u1edf ra, nh\u1eb9 \u0111i v\u00e0 bay l\u00ean t\u1ea1o th\u00e0nh m\u00e2y.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2554},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Nhi\u1ec7t k\u1ebf n\u00e0o d\u01b0\u1edbi \u0111\u00e2y c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u0103ng phi\u1ebfn \u0111ang n\u00f3ng ch\u1ea3y?","select":["A. nhi\u1ec7t k\u1ebf r\u01b0\u1ee3u","B. nhi\u1ec7t k\u1ebf y t\u1ebf","C. nhi\u1ec7t k\u1ebf th\u1ee7y ng\u00e2n","D. c\u1ea3 ba nhi\u1ec7t k\u1ebf tr\u00ean \u0111\u1ec1u kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c"],"hint":"","explain":"<span class='basic_left'>V\u00ec nhi\u1ec7t k\u1ebf th\u1ee7y ng\u00e2n c\u00f3 GH\u0110 cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u0103ng phi\u1ebfn \u0111ang n\u00f3ng ch\u1ea3y.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2555},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Khi \u0111un n\u00f3ng b\u0103ng phi\u1ebfn, ng\u01b0\u1eddi ta th\u1ea5y nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u0103ng phi\u1ebfn t\u0103ng d\u1ea7n, khi t\u1edbi $80{}^\\circ C$ nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u0103ng phi\u1ebfn ng\u1eebng l\u1ea1i kh\u00f4ng t\u0103ng, m\u1eb7c d\u00f9 v\u1eabn ti\u1ebfp t\u1ee5c \u0111un. H\u1ecfi l\u00fac \u0111\u00f3 b\u0103ng phi\u1ebfn t\u1ed3n t\u1ea1i \u1edf th\u1ec3 n\u00e0o?","select":["A. Ch\u1ec9 c\u00f3 \u1edf th\u1ec3 h\u01a1i","B. Ch\u1ec9 c\u00f3 \u1edf th\u1ec3 r\u1eafn","C. Ch\u1ec9 c\u00f3 \u1edf th\u1ec3 l\u1ecfng","D. Ch\u1ec9 c\u00f3 \u1edf th\u1ec3 r\u1eafn v\u00e0 l\u1ecfng"],"hint":"","explain":"<span class='basic_left'>\u0110\u00f3 l\u00e0 do b\u0103ng phi\u1ebfn \u0111ang n\u00f3ng ch\u1ea3y n\u00ean nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 kh\u00f4ng t\u0103ng n\u1eefa, n\u00f3 t\u1ed3n t\u1ea1i \u1edf hai th\u1ec3 l\u00e0 th\u1ec3 r\u1eafn v\u00e0 l\u1ecfng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2556},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Trong c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m bay h\u01a1i sau \u0111\u00e2y, \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o l\u00e0 c\u1ee7a s\u1ef1 s\u00f4i?","select":["A. X\u1ea3y ra \u1edf b\u1ea5t k\u00ec nhi\u1ec7t \u0111\u1ed9 n\u00e0o","B. Ch\u1ec9 x\u1ea3y ra tr\u00ean m\u1eb7t tho\u00e1ng c\u1ee7a ch\u1ea5t l\u1ecfng","C. Ch\u1ec9 x\u1ea3y ra trong l\u00f2ng ch\u1ea5t l\u1ecfng","D. Ch\u1ec9 x\u1ea3y ra \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh c\u1ee7a ch\u1ea5t l\u1ecfng"],"hint":"","explain":"<span class='basic_left'>S\u1ef1 s\u00f4i ch\u1ec9 x\u1ea3y ra \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh c\u1ee7a ch\u1ea5t l\u1ecfng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2557},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00e2y, \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o kh\u00f4ng ph\u1ea3i l\u00e0 c\u1ee7a s\u1ef1 bay h\u01a1i?","select":["A. X\u1ea3y ra \u1edf b\u1ea5t k\u00ec nhi\u1ec7t \u0111\u1ed9 n\u00e0o c\u1ee7a ch\u1ea5t l\u1ecfng","B. X\u1ea3y ra tr\u00ean m\u1eb7t tho\u00e1ng c\u1ee7a ch\u1ea5t l\u1ecfng","C. Kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c","D. X\u1ea3y ra \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh c\u1ee7a ch\u1ea5t l\u1ecfng"],"hint":"","explain":"<span class='basic_left'>S\u1ef1 bay h\u01a1i x\u1ea3y ra \u1edf b\u1ea5t k\u00ec nhi\u1ec7t \u0111\u1ed9 n\u00e0o c\u1ee7a ch\u1ea5t l\u1ecfng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2558},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o sau \u0111\u00e2y kh\u00f4ng ph\u1ea3i s\u1ef1 ng\u01b0ng t\u1ee5?","select":["A. H\u01a1i n\u01b0\u1edbc trong c\u00e1c \u0111\u00e1m m\u00e2y sau m\u1ed9t th\u1eddi gian s\u1ebd t\u1ea1o th\u00e0nh m\u01b0a.","B. Khi h\u00e0 h\u01a1i v\u00e0o m\u1eb7t k\u00ednh c\u1eeda s\u1ed5,s\u1ebd xu\u1ea5t hi\u1ec7n nh\u1eefng h\u1ea1t n\u01b0\u1edbc nh\u1ecf l\u00e0m m\u1edd k\u00ednh.","C. S\u1ef1 t\u1ea1o th\u00e0nh gi\u1ecdt n\u01b0\u1edbc \u0111\u1ecdng tr\u00ean l\u00e1 c\u00e2y v\u00e0o ban \u0111\u00eam.","D. N\u01b0\u1edbc m\u01b0a tr\u00ean \u0111\u01b0\u1eddng nh\u1ef1a bi\u1ebfn m\u1ea5t khi M\u1eb7t Tr\u1eddi l\u1ea1i xu\u1ea5t hi\u1ec7n sau c\u01a1n m\u01b0a."],"hint":"","explain":"<span class='basic_left'>\u0110\u00f3 l\u00e0 s\u1ef1 bay h\u01a1i c\u1ee7a n\u01b0\u1edbc.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2559},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"Trong c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau \u0111\u00e2y nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0o l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ef1 s\u00f4i.<br\/>a, X\u1ea3y ra \u1edf b\u1ea5t k\u00ec nhi\u1ec7t \u0111\u1ed9 n\u00e0o c\u1ee7a ch\u1ea5t l\u1ecfng.<br\/>b, X\u1ea3y ra \u1edf nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh c\u1ee7a ch\u1ea5t l\u1ecfng.<br\/>c, X\u1ea3y ra \u1edf c\u1ea3 trong l\u00f2ng l\u1eabn m\u1eb7t tho\u00e1ng c\u1ee7a ch\u1ea5t l\u1ecfng.<br\/>d, Ch\u1ec9 x\u1ea3y ra tr\u00ean m\u1eb7t tho\u00e1ng c\u1ee7a ch\u1ea5t l\u1ecfng. ","select":["A. b v\u00e0 c","B. Ch\u1ec9 a","C. Ch\u1ec9 c","D. a v\u00e0 d"],"hint":"","explain":"<span class='basic_left'>S\u1ef1 s\u00f4i x\u1ea3y ra \u1edf nhi\u1ec7t \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh c\u1ee7a ch\u1ea5t l\u1ecfng, x\u1ea3y ra \u1edf c\u1ea3 trong l\u00f2ng l\u1eabn m\u1eb7t tho\u00e1ng c\u1ee7a ch\u1ea5t l\u1ecfng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2560}],"lesson":{"save":0,"level":2}}