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{"segment":[{"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":"Trong c\u00e1c c\u00e1ch s\u1eafp x\u1ebfp c\u00e1c ch\u1ea5t n\u1edf v\u00ec nhi\u1ec7t t\u1eeb nhi\u1ec1u t\u1edbi \u00edt sau \u0111\u00e2y, c\u00e1ch s\u1eafp x\u1ebfp n\u00e0o l\u00e0 \u0111\u00fang?","select":["A. r\u1eafn, l\u1ecfng, kh\u00ed","B. r\u1eafn, kh\u00ed, l\u1ecfng","C. kh\u00ed, l\u1ecfng, r\u1eafn","D. kh\u00ed, r\u1eafn, l\u1ecfng"],"hint":"","explain":"<span class='basic_left'>Th\u1ee9 t\u1ef1 n\u1edf v\u00ec nhi\u1ec7t t\u1eeb nhi\u1ec1u t\u1edbi \u00edt l\u00e0 kh\u00ed, l\u1ecfng, r\u1eafn.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2461},{"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":"Khi ch\u1ea5t kh\u00ed trong b\u00ecnh n\u00f3ng l\u00ean th\u00ec \u0111\u1ea1i l\u01b0\u1ee3ng n\u00e0o sau \u0111\u00e2y c\u1ee7a n\u00f3 thay \u0111\u1ed5i?","select":["A. kh\u1ed1i l\u01b0\u1ee3ng","B. tr\u1ecdng l\u01b0\u1ee3ng","C. kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang","D. c\u1ea3 kh\u1ed1i l\u01b0\u1ee3ng, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang"],"hint":"","explain":"<span class='basic_left'>Khi ch\u1ea5t kh\u00ed trong b\u00ecnh n\u00f3ng l\u00ean th\u00ec th\u1ec3 t\u00edch c\u1ee7a n\u00f3 thay \u0111\u1ed5i, kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i d\u1eabn \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang thay \u0111\u1ed5i.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2462},{"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":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/vatly/bai20/lv2/img\/h0.jpg'\/><\/center>Gi\u1ecdt n\u01b0\u1edbc m\u00e0u d\u1ecbch chuy\u1ec3n sang b\u00ean n\u00e0o khi \u00e1p ch\u1eb7t tay v\u00e0o b\u00ecnh:","select":["A. B\u00ean ph\u1ea3i","B. \u0110\u1ee9ng y\u00ean","C. B\u00ean tr\u00e1i","D. Bay h\u01a1i"],"hint":"","explain":"<span class='basic_left'>Gi\u1ecdt n\u01b0\u1edbc m\u00e0u d\u1ecbch chuy\u1ec3n sang b\u00ean ph\u1ea3i. V\u00ec khi ta \u00e1p tay v\u00e0o th\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00ed t\u0103ng l\u00ean v\u00e0 kh\u00ed n\u1edf ra \u0111\u1ea9y gi\u1ecdt n\u01b0\u1edbc sang ph\u1ea3i.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2463},{"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":2464},{"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":"T\u1ea1i sao khi qu\u1ea3 b\u00f3ng b\u00e0n b\u1eb9p, cho v\u00e0o n\u01b0\u1edbc n\u00f3ng th\u00ec ph\u1ed3ng l\u1ea1i nh\u01b0 c\u0169?","select":["A. V\u00ec n\u01b0\u1edbc n\u00f3ng l\u00e0m kh\u00f4ng kh\u00ed c\u00f3 trong qu\u1ea3 b\u00f3ng b\u00e0n n\u1edf ra","B. V\u00ec n\u01b0\u1edbc n\u00f3ng l\u00e0m nh\u1ef1a c\u1ee7a qu\u1ea3 b\u00f3ng b\u00e0n n\u1edf ra","C. V\u00ec n\u01b0\u1edbc n\u00f3ng l\u00e0m n\u01b0\u1edbc chui v\u00e0o qu\u1ea3 b\u00f3ng b\u00e0n","D. C\u1ea3 A, B, C \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>V\u00ec n\u01b0\u1edbc n\u00f3ng l\u00e0m kh\u00f4ng kh\u00ed c\u00f3 trong qu\u1ea3 b\u00f3ng b\u00e0n n\u1edf ra \u0111\u1ea9y cho v\u1ecf qu\u1ea3 b\u00f3ng ph\u1ed3ng l\u1ea1i nh\u01b0 c\u0169.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2465},{"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":"Ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang. Khi so s\u00e1nh s\u1ef1 n\u1edf v\u00ec nhi\u1ec7t c\u1ee7a c\u00e1c ch\u1ea5t kh\u00ed kh\u00e1c nhau, ng\u01b0\u1eddi ta ph\u1ea3i so s\u00e1nh ch\u00fang \u1edf c\u00f9ng \u0111i\u1ec1u ki\u1ec7n:","select":["A. Nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t.","B. \u00c1p su\u1ea5t, th\u1ec3 t\u00edch.","C. Th\u1ec3 t\u00edch, nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t.","D. Th\u1ec3 t\u00edch, nhi\u1ec7t \u0111\u1ed9."],"hint":"","explain":"<span class='basic_left'>Khi so s\u00e1nh s\u1ef1 n\u1edf v\u00ec nhi\u1ec7t c\u1ee7a c\u00e1c ch\u1ea5t kh\u00ed kh\u00e1c nhau, ng\u01b0\u1eddi ta ph\u1ea3i so s\u00e1nh ch\u00fang \u1edf c\u00f9ng \u0111i\u1ec1u ki\u1ec7n th\u1ec3 t\u00edch, nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2466},{"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 t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1ed9t l\u01b0\u1ee3ng kh\u00ed \u0111\u1ef1ng trong b\u00ecnh k\u00edn l\u00e0m b\u1eb1ng inva ( m\u1ed9t ch\u1ea5t r\u1eafn h\u1ea7u nh\u01b0 kh\u00f4ng d\u00e3n n\u1ee1 v\u00ec nhi\u1ec7t), th\u00ec \u0111\u1ea1i l\u01b0\u1ee3ng n\u00e0o sau \u0111\u00e2y c\u1ee7a n\u00f3 thay \u0111\u1ed5i?","select":["A. kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang","B. kh\u1ed1i l\u01b0\u1ee3ng","C. th\u1ec3 t\u00edch","D. c\u1ea3 ba ph\u01b0\u01a1ng \u00e1n A, B, C \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>th\u1ec3 t\u00edch v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ec1u kh\u00f4ng thay \u0111\u1ed5i.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2467},{"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":"D\u1ee5ng c\u1ee5 \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 l\u00e0 g\u00ec?","select":["A. C\u00e2n \u0111\u1ed3ng h\u1ed3","B. Nhi\u1ec7t k\u1ebf","C. Th\u1ee7y k\u1ebf","D. L\u1ef1c k\u1ebf"],"hint":"","explain":"<span class='basic_left'>D\u1ee5ng c\u1ee5 \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 l\u00e0 nhi\u1ec7t k\u1ebf.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2468},{"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":"Kh\u00f4ng kh\u00ed n\u00f3ng th\u00ec?","select":["A. Nh\u1eb9 h\u01a1n kh\u00f4ng kh\u00ed l\u1ea1nh","B. N\u1eb7ng h\u01a1n kh\u00f4ng kh\u00ed l\u1ea1nh","C. Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec","D. C\u1ea3 A, B, C \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>Kh\u00f4ng kh\u00ed n\u00f3ng th\u00ec th\u1ec3 t\u00edch t\u0103ng d\u1eabn \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang gi\u1ea3m.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2469},{"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":"C\u00e2u n\u00e0o sau \u0111\u00e2y n\u00f3i v\u1ec1 s\u1ef1 n\u1edf v\u00ec nhi\u1ec7t c\u1ee7a c\u00e1c ch\u1ea5t kh\u00ed oxi, hidro v\u00e0 cacbonic l\u00e0 \u0111\u00fang khi l\u00e0m th\u00ed nghi\u1ec7m v\u1edbi c\u00e1c ch\u1ea5t kh\u00ed n\u00e0y?","select":["A. Hi\u0111ro n\u1edf v\u00ec nhi\u1ec7t nhi\u1ec1u nh\u1ea5t","B. Cacbonic n\u1edf v\u00ec nhi\u1ec7t \u00edt nh\u1ea5t","C. Oxi n\u1edf v\u00ec nhi\u1ec7t \u00edt h\u01a1n hi\u0111ro nh\u01b0ng nhi\u1ec1u h\u01a1n cacbonic","D. C\u1ea3 ba ch\u1ea5t \u0111\u1ec1u n\u1edf v\u00ec nhi\u1ec7t nh\u01b0 nhau"],"hint":"","explain":"<span class='basic_left'>C\u00e1c ch\u1ea5t kh\u00ed kh\u00e1c nhau n\u1edf v\u00ec nhi\u1ec7t nh\u01b0 nhau khi \u1edf c\u00f9ng m\u1ed9t \u0111i\u1ec1u ki\u1ec7n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2470}],"lesson":{"save":0,"level":2}}

Điểm của bạn.

Câu hỏi này theo dạng chọn đáp án đúng, sau khi đọc xong câu hỏi, bạn bấm vào một trong số các đáp án mà chương trình đưa ra bên dưới, sau đó bấm vào nút gửi để kiểm tra đáp án và sẵn sàng chuyển sang câu hỏi kế tiếp

Trả lời đúng trong khoảng thời gian quy định bạn sẽ được + số điểm như sau:
Trong khoảng 1 phút đầu tiên + 5 điểm
Trong khoảng 1 phút -> 2 phút + 4 điểm
Trong khoảng 2 phút -> 3 phút + 3 điểm
Trong khoảng 3 phút -> 4 phút + 2 điểm
Trong khoảng 4 phút -> 5 phút + 1 điểm

Quá 5 phút: không được cộng điểm

Tổng thời gian làm mỗi câu (không giới hạn)

Điểm của bạn.

Bấm vào đây nếu phát hiện có lỗi hoặc muốn gửi góp ý