{"segment":[{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ch\u1ecdn ph\u00e1t bi\u1ec3u kh\u00f4ng \u0111\u00fang khi n\u00f3i v\u1ec1 b\u1ee9c x\u1ea1 nhi\u1ec7t? ","select":["A. B\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1c tia nhi\u1ec7t \u0111i th\u1eb3ng.","B. B\u1ee9c x\u1ea1 nhi\u1ec7t kh\u00f4ng th\u1ec3 x\u1ea3y ra trong ch\u00e2n kh\u00f4ng.","C. V\u1eadt c\u00f3 b\u1ec1 m\u1eb7t c\u00e0ng x\u00f9 x\u00ec v\u00e0 m\u00e0u c\u00e0ng s\u1eabm th\u00ec h\u1ea5p th\u1ee5 tia nhi\u1ec7t c\u00e0ng nhi\u1ec1u.","D. V\u1eadt c\u00f3 b\u1ec1 m\u1eb7t c\u00e0ng nh\u1eb5n v\u00e0 m\u00e0u c\u00e0ng s\u00e1ng th\u00ec h\u1ea5p th\u1ee5 tia nhi\u1ec7t c\u00e0ng \u00edt."],"hint":"","explain":"<span class='basic_left'>B\u1ee9c x\u1ea1 nhi\u1ec7t c\u00f3 th\u1ec3 x\u1ea3y ra c\u1ea3 trong ch\u00e2n kh\u00f4ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2900},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"\u0110\u1ed1i l\u01b0u l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t x\u1ea3y ra trong ch\u1ea5t n\u00e0o?","select":["A. Ch\u1ec9 \u1edf ch\u1ea5t l\u1ecfng.","B. Ch\u1ec9 \u1edf ch\u1ea5t kh\u00ed.","C. Ch\u1ec9 \u1edf ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea5t kh\u00ed.","D. Ch\u1ea5t l\u1ecfng, ch\u1ea5t kh\u00ed v\u00e0 ch\u1ea5t r\u1eafn."],"hint":"","explain":"<span class='basic_left'>\u0110\u1ed1i l\u01b0u l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1c d\u00f2ng ch\u1ea5t l\u1ecfng ho\u1eb7c ch\u1ea5t kh\u00ed.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2901},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Trong c\u00e1c s\u1ef1 truy\u1ec1n nhi\u1ec7t d\u01b0\u1edbi \u0111\u00e2y, s\u1ef1 truy\u1ec1n nhi\u1ec7t n\u00e0o kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ee9c x\u1ea1 nhi\u1ec7t?","select":["A. S\u1ef1 truy\u1ec1n nhi\u1ec7t t\u1eeb M\u1eb7t Tr\u1eddi t\u1edbi Tr\u00e1i \u0110\u1ea5t.","B. S\u1ef1 truy\u1ec1n nhi\u1ec7t t\u1eeb b\u1ebfp l\u00f2 \u0111\u1ebfn ng\u01b0\u1eddi \u0111\u1ee9ng g\u1ea7n b\u1ebfp l\u00f2.","C. S\u1ef1 truy\u1ec1n nhi\u1ec7t t\u1eeb \u0111\u1ea7u b\u1ecb nung n\u00f3ng sang \u0111\u1ea7u kh\u00f4ng b\u1ecb nung n\u00f3ng c\u1ee7a m\u1ed9t thanh \u0111\u1ed3ng.","D. S\u1ef1 truy\u1ec1n nhi\u1ec7t t\u1eeb m\u1ed9t d\u00e2y t\u00f3c b\u00f3ng \u0111\u00e8n \u0111ang s\u00e1ng ra kho\u1ea3ng kh\u00f4ng gian b\u00ean trong b\u00f3ng \u0111\u00e8n."],"hint":"","explain":"<span class='basic_left'>S\u1ef1 truy\u1ec1n nhi\u1ec7t t\u1eeb \u0111\u1ea7u b\u1ecb nung n\u00f3ng sang \u0111\u1ea7u kh\u00f4ng b\u1ecb nung n\u00f3ng c\u1ee7a m\u1ed9t thanh \u0111\u1ed3ng kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ee9c x\u1ea1 nhi\u1ec7t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2902},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u1ed9t \u1ed1ng nghi\u1ec7m \u0111\u1ef1ng \u0111\u1ea7y n\u01b0\u1edbc, c\u1ea7n \u0111\u1ed1t n\u00f3ng \u1ed1ng \u1edf v\u1ecb tr\u00ed n\u00e0o c\u1ee7a \u1ed1ng th\u00ec t\u1ea5t c\u1ea3 n\u01b0\u1edbc trong \u1ed1ng s\u00f4i nhanh h\u01a1n?","select":["A. \u0110\u1ed1t \u1edf gi\u1eefa \u1ed1ng.","B. \u0110\u1ed1t \u1edf mi\u1ec7ng \u1ed1ng.","C. \u0110\u1ed1t \u1edf \u0111\u00e1y \u1ed1ng.","D. \u0110\u1ed1t \u1edf v\u1ecb tr\u00ed n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c."],"hint":"","explain":"<span class='basic_left'>\u0110\u1ed1t \u1edf \u0111\u00e1y \u1ed1ng. V\u00ec \u0111\u1ed1t \u1edf \u0111\u00e1y \u1ed1ng s\u1ebd t\u1ea1o n\u00ean d\u00f2ng \u0111\u1ed1i l\u01b0u l\u00e0m cho n\u01b0\u1edbc nhanh s\u00f4i h\u01a1n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2903},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"C\u00f3 bao nhi\u00eau c\u00e1ch truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c v\u1eadt? ","select":["A. 1 c\u00e1ch.","B. 2 c\u00e1ch.","C. 3 c\u00e1ch.","D. 4 c\u00e1ch."],"hint":"","explain":"<span class='basic_left'>C\u00f3 3 c\u00e1ch truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u00e1c v\u1eadt l\u00e0: d\u1eabn nhi\u1ec7t, \u0111\u1ed1i l\u01b0u, b\u1ee9c x\u1ea1 nhi\u1ec7t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2904},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"N\u0103ng l\u01b0\u1ee3ng t\u1eeb M\u1eb7t Tr\u1eddi truy\u1ec1n xu\u1ed1ng Tr\u00e1i \u0110\u1ea5t b\u1eb1ng c\u00e1ch n\u00e0o?","select":["A. B\u1eb1ng b\u1ee9c x\u1ea1 nhi\u1ec7t.","B. B\u1eb1ng s\u1ef1 \u0111\u1ed1i l\u01b0u.","C. B\u1eb1ng s\u1ef1 d\u1eabn nhi\u1ec7t qua kh\u00f4ng kh\u00ed.","D. B\u1eb1ng m\u1ed9t c\u00e1ch kh\u00e1c."],"hint":"","explain":"<span class='basic_left'>N\u0103ng l\u01b0\u1ee3ng t\u1eeb M\u1eb7t Tr\u1eddi truy\u1ec1n xu\u1ed1ng Tr\u00e1i \u0110\u1ea5t b\u1eb1ng c\u00e1ch b\u1ee9c x\u1ea1 nhi\u1ec7t, l\u00e0 h\u00ecnh th\u1ee9c truy\u1ec1n nhi\u1ec7t duy nh\u1ea5t \u0111i qua \u0111\u01b0\u1ee3c kho\u1ea3ng ch\u00e2n kh\u00f4ng gi\u1eefa Tr\u00e1i \u0110\u1ea5t v\u00e0 M\u1eb7t Tr\u1eddi. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2905},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"H\u00ecnh th\u1ee9c truy\u1ec1n nhi\u1ec7t ch\u1ee7 y\u1ebfu c\u1ee7a ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng, ch\u1ea5t kh\u00ed v\u00e0 ch\u00e2n kh\u00f4ng l\u00e0 g\u00ec? ","select":["A. Ch\u1ea5t r\u1eafn: d\u1eabn nhi\u1ec7t; Ch\u1ea5t l\u1ecfng: \u0111\u1ed1i l\u01b0u; Ch\u1ea5t kh\u00ed: \u0111\u1ed1i l\u01b0u; Ch\u00e2n kh\u00f4ng: b\u1ee9c x\u1ea1 nhi\u1ec7t.","B. Ch\u1ea5t r\u1eafn: d\u1eabn nhi\u1ec7t; Ch\u1ea5t l\u1ecfng: \u0111\u1ed1i l\u01b0u; Ch\u1ea5t kh\u00ed: b\u1ee9c x\u1ea1 nhi\u1ec7t; Ch\u00e2n kh\u00f4ng: \u0111\u1ed1i l\u01b0u.","C. Ch\u1ea5t r\u1eafn: d\u1eabn nhi\u1ec7t; Ch\u1ea5t l\u1ecfng: \u0111\u1ed1i l\u01b0u; Ch\u1ea5t kh\u00ed: d\u1eabn nhi\u1ec7t; Ch\u00e2n kh\u00f4ng: b\u1ee9c x\u1ea1 nhi\u1ec7t.","D. Ch\u1ea5t r\u1eafn: b\u1ee9c x\u1ea1 nhi\u1ec7t; Ch\u1ea5t l\u1ecfng: d\u1eabn nhi\u1ec7t; Ch\u1ea5t kh\u00ed: \u0111\u1ed1i l\u01b0u; Ch\u00e2n kh\u00f4ng: b\u1ee9c x\u1ea1 nhi\u1ec7t."],"hint":"","explain":"<span class='basic_left'>H\u00ecnh th\u1ee9c truy\u1ec1n nhi\u1ec7t ch\u1ee7 y\u1ebfu c\u1ee7a ch\u1ea5t r\u1eafn, ch\u1ea5t l\u1ecfng, ch\u1ea5t kh\u00ed v\u00e0 ch\u00e2n kh\u00f4ng l\u00e0:<br\/>Ch\u1ea5t r\u1eafn: d\u1eabn nhi\u1ec7t; Ch\u1ea5t l\u1ecfng: \u0111\u1ed1i l\u01b0u; Ch\u1ea5t kh\u00ed: \u0111\u1ed1i l\u01b0u; Ch\u00e2n kh\u00f4ng: b\u1ee9c x\u1ea1 nhi\u1ec7t. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2906},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"B\u1ecf v\u00e0i h\u1ea1t thu\u1ed1c t\u00edm v\u00e0o m\u1ed9t c\u1ed1c n\u01b0\u1edbc, th\u1ea5y n\u01b0\u1edbc m\u00e0u t\u00edm di chuy\u1ec3n th\u00e0nh d\u00f2ng t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean. L\u00ed do n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?","select":["A. Do hi\u1ec7n t\u01b0\u1ee3ng b\u1ee9c x\u1ea1 nhi\u1ec7t.","B. Do hi\u1ec7n t\u01b0\u1ee3ng d\u1eabn nhi\u1ec7t.","C. Do hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed1i l\u01b0u.","D. Do hi\u1ec7n t\u01b0\u1ee3ng truy\u1ec1n nhi\u1ec7t."],"hint":"","explain":"<span class='basic_left'>Do hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed1i l\u01b0u, n\u01b0\u1edbc \u1ea5m h\u01a1n chuy\u1ec3n \u0111\u1ed9ng l\u00ean tr\u00ean c\u00f2n n\u01b0\u1edbc l\u1ea1nh h\u01a1n th\u00ec ch\u00ecm xu\u1ed1ng d\u01b0\u1edbi g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed1i l\u01b0u. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2907},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Ch\u1ecdn c\u00e2u nh\u1eadn x\u00e9t \u0111\u00fang nh\u1ea5t. C\u00e1nh m\u00e1y bay th\u01b0\u1eddng \u0111\u01b0\u1ee3c qu\u00e9t \u00e1nh b\u1ea1c \u0111\u1ec3? ","select":["A. \u00cdt h\u1ea5p th\u1ee5 b\u1ee9c x\u1ea1 nhi\u1ec7t c\u1ee7a M\u1eb7t Tr\u1eddi.","B. Li\u00ean l\u1ea1c thu\u1eadn l\u1ee3i h\u01a1n v\u1edbi c\u00e1c \u0111\u00e0i ra\u0111a.","C. Gi\u1ea3m s\u1ef1 d\u1eabn nhi\u1ec7t.","D. Gi\u1ea3m ma s\u00e1t v\u1edbi kh\u00f4ng kh\u00ed."],"hint":"","explain":"<span class='basic_left'>C\u00e1nh m\u00e1y bay th\u01b0\u1eddng \u0111\u01b0\u1ee3c qu\u00e9t \u00e1nh b\u1ea1c \u0111\u1ec3 \u00edt h\u1ea5p th\u1ee5 b\u1ee9c x\u1ea1 nhi\u1ec7t c\u1ee7a M\u1eb7t Tr\u1eddi. V\u00ec m\u00e0u b\u1ea1c ho\u1eb7c tr\u1eafng ph\u1ea3n x\u1ea1 t\u1ed1t h\u01a1n c\u00e1c m\u00e0u kh\u00e1c \u00e1nh s\u00e1ng, bao g\u1ed3m c\u1ea3 b\u1ee9c x\u1ea1 M\u1eb7t Tr\u1eddi. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2908},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Trong nh\u1eefng ng\u00e0y r\u00e9t s\u1edd v\u00e0o kim lo\u1ea1i ta th\u1ea5y l\u1ea1nh. H\u00ecnh th\u1ee9c truy\u1ec1n nhi\u1ec7t n\u00e0o \u0111\u00e3 x\u1ea3y ra? ","select":["A. \u0110\u1ed1i l\u01b0u.","B. C\u1ea3 truy\u1ec1n nhi\u1ec7t, b\u1ee9c x\u1ea1 nhi\u1ec7t v\u00e0 \u0111\u1ed1i l\u01b0u c\u00f9ng x\u1ea3y ra \u0111\u1ed3ng th\u1eddi.","C. B\u1ee9c x\u1ea1 nhi\u1ec7t.","D. Truy\u1ec1n nhi\u1ec7t."],"hint":"","explain":"<span class='basic_left'>H\u00ecnh th\u1ee9c truy\u1ec1n nhi\u1ec7t n\u00e0o \u0111\u00e3 x\u1ea3y ra l\u00e0 truy\u1ec1n nhi\u1ec7t tr\u1ef1c ti\u1ebfp t\u1eeb ta qua kim lo\u1ea1i. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2909},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"T\u1ea1i sao trong ch\u1ea5t r\u1eafn kh\u00f4ng x\u1ea3y ra \u0111\u1ed1i l\u01b0u?","select":["A. V\u00ec kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a ch\u1ea5t r\u1eafn th\u01b0\u1eddng r\u1ea5t l\u1edbn.","B. V\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t r\u1eafn th\u01b0\u1eddng kh\u00f4ng l\u1edbn l\u1eafm.","C. V\u00ec c\u00e1c ph\u00e2n t\u1eed c\u1ee7a ch\u1ea5t r\u1eafn li\u00ean k\u1ebft v\u1edbi nhau r\u1ea5t ch\u1eb7t, ch\u00fang kh\u00f4ng th\u1ec3 di chuy\u1ec3n th\u00e0nh d\u00f2ng \u0111\u01b0\u1ee3c.","D. V\u00ec trong ch\u1ea5t r\u1eafn kh\u00f4ng c\u00f3 s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c ph\u00e2n t\u1eed."],"hint":"","explain":"<span class='basic_left'>Trong ch\u1ea5t r\u1eafn kh\u00f4ng x\u1ea3y ra \u0111\u1ed1i l\u01b0u v\u00ec c\u00e1c ph\u00e2n t\u1eed c\u1ee7a ch\u1ea5t r\u1eafn li\u00ean k\u1ebft v\u1edbi nhau r\u1ea5t ch\u1eb7t, ch\u00fang kh\u00f4ng th\u1ec3 di chuy\u1ec3n th\u00e0nh d\u00f2ng \u0111\u01b0\u1ee3c. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2910},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"V\u00ec sao trong m\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y, ng\u01b0\u1eddi ta th\u01b0\u1eddng x\u00e2y d\u1ef1ng nh\u1eefng \u1ed1ng kh\u00f3i r\u1ea5t cao? ","select":["A. \u1ed0ng kh\u00f3i cao c\u00f3 t\u00e1c d\u1ee5ng t\u1ea1o ra s\u1ef1 b\u1ee9c x\u1ea1 nhi\u1ec7t t\u1ed1t.","B. \u1ed0ng kh\u00f3i cao c\u00f3 t\u00e1c d\u1ee5ng t\u1ea1o ra s\u1ef1 truy\u1ec1n nhi\u1ec7t t\u1ed1t.","C. \u1ed0ng kh\u00f3i cao c\u00f3 t\u00e1c d\u1ee5ng t\u1ea1o ra s\u1ef1 d\u1eabn nhi\u1ec7t t\u1ed1t.","D. \u1ed0ng kh\u00f3i cao c\u00f3 t\u00e1c d\u1ee5ng t\u1ea1o ra s\u1ef1 \u0111\u1ed1i l\u01b0u t\u1ed1t."],"hint":"","explain":"<span class='basic_left'>Ng\u01b0\u1eddi ta th\u01b0\u1eddng x\u00e2y d\u1ef1ng nh\u1eefng \u1ed1ng kh\u00f3i r\u1ea5t cao c\u00f3 t\u00e1c d\u1ee5ng t\u1ea1o ra s\u1ef1 \u0111\u1ed1i l\u01b0u t\u1ed1t. Gi\u00fap kh\u00f3i n\u00f3ng t\u1eeb d\u01b0\u1edbi c\u00f3 th\u1ec3 b\u1ed1c l\u00ean cao d\u1ec5 d\u00e0ng h\u01a1n. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2911},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng:<br\/>............. c\u00f3 th\u1ec3 x\u1ea3y ra c\u1ea3 \u1edf trong ch\u00e2n kh\u00f4ng.","select":["A. Nhi\u1ec7t n\u0103ng.","B. D\u1eabn nhi\u1ec7t.","C. \u0110\u1ed1i l\u01b0u.","D. B\u1ee9c x\u1ea1 nhi\u1ec7t."],"hint":"","explain":"<span class='basic_left'>B\u1ee9c x\u1ea1 nhi\u1ec7t c\u00f3 th\u1ec3 x\u1ea3y ra c\u1ea3 \u1edf trong ch\u00e2n kh\u00f4ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2912},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ch\u1ecdn c\u00e2u sai:","select":["A. B\u1ee9c x\u1ea1 nhi\u1ec7t c\u00f3 th\u1ec3 x\u1ea3y ra trong ch\u00e2n kh\u00f4ng.","B. V\u1eadt l\u1ea1nh qu\u00e1 th\u00ec kh\u00f4ng th\u1ec3 b\u1ee9c x\u1ea1 nhi\u1ec7t.","C. M\u1ed9t v\u1eadt khi h\u1ea5p th\u1ee5 b\u1ee9c x\u1ea1 nhi\u1ec7t truy\u1ec1n \u0111\u1ebfn th\u00ec nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt s\u1ebd t\u0103ng l\u00ean.","D. B\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1ch ph\u00e1t ra nh\u1eefng tia nhi\u1ec7t \u0111i th\u1eb3ng."],"hint":"","explain":"<span class='basic_left'>V\u1eadt l\u1ea1nh qu\u00e1 th\u00ec v\u1eabn c\u00f3 th\u1ec3 th\u1ec3 b\u1ee9c x\u1ea1 nhi\u1ec7t. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2913},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1ed1t c\u1ee7a m\u1ed9t v\u1eadt ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o c\u1ee7a v\u1eadt ?","select":["A. V\u1eadt c\u00f3 b\u1ec1 m\u1eb7t s\u1ea7n s\u00f9i, s\u1eabm m\u00e0u.","B. V\u1eadt c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n, s\u1eabm m\u00e0u.","C. V\u1eadt c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n, s\u00e1ng m\u00e0u.","D. V\u1eadt c\u00f3 b\u1ec1 m\u1eb7t s\u1ea7n s\u00f9im, s\u00e1ng m\u00e0u."],"hint":"","explain":"<span class='basic_left'>Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1ed1t c\u1ee7a m\u1ed9t v\u1eadt ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng y\u1ebfu t\u1ed1 v\u1eadt c\u00f3 b\u1ec1 m\u1eb7t s\u1ea7n s\u00f9i, s\u1eabm m\u00e0u.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2914},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"T\u1ea1i sao mu\u1ed1n nung n\u00f3ng ch\u1ea5t kh\u00ed ho\u1eb7c \u0111un n\u00f3ng m\u1ed9t ch\u1ea5t l\u1ecfng ng\u01b0\u1eddi ta ph\u1ea3i \u0111un t\u1eeb ph\u00eda d\u01b0\u1edbi? C\u00e2u tr\u1ea3 l\u1eddi n\u00e0o sau \u0111\u00e2y l\u00e0 sai.","select":["A. V\u00ec s\u1ef1 truy\u1ec1n nhi\u1ec7t kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n t\u1eeb ph\u00eda tr\u00ean xu\u1ed1ng ph\u00eda d\u01b0\u1edbi.","B. \u0110un t\u1eeb ph\u00eda d\u01b0\u1edbi \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ef1 b\u1ee9c x\u1ea1 nhi\u1ec7t.","C. V\u00ec b\u1ec1 m\u1eb7t k\u0129 thu\u1eadt kh\u00f4ng th\u1ec3 \u0111un \u1edf ph\u00eda tr\u00ean.","D. C\u00e1c c\u00e2u tr\u1ea3 l\u1eddi \u0111\u1ec1u sai."],"hint":"","explain":"<span class='basic_left'>V\u00ec \u0111\u1ec3 s\u1ef1 \u0111\u1ed1i l\u01b0u x\u1ea3y ra t\u1ed1t. N\u01b0\u1edbc hay ch\u1ea5t l\u1ecfng s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u1edf ph\u00eda d\u01b0\u1edbi sau \u0111\u00f3 do s\u1ef1 \u0111\u1ed1i l\u01b0u, d\u00f2ng ch\u1ea5t l\u1ecfng n\u00f3ng s\u1ebd n\u1ed5i l\u00ean tr\u00ean, l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng l\u1ea1nh s\u1ebd ch\u00ecm xu\u1ed1ng v\u00e0 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng. Nh\u01b0 v\u1eady to\u00e0n b\u1ed9 kh\u1ed1i ch\u1ea5t l\u1ecfng \u0111\u1ec1u nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec7t. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2915},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Ch\u1ecdn nh\u1eadn x\u00e9t \u0111\u00fang.","select":["A. D\u00f2ng \u0111\u1ed1i l\u01b0u kh\u00f4ng mang n\u0103ng l\u01b0\u1ee3ng.","B. Hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed1i l\u01b0u kh\u00f4ng x\u1ea3y ra trong ph\u1ea1m vi l\u1edbn.","C. D\u00f2ng \u0111\u1ed1i l\u01b0u kh\u00f4ng sinh c\u00f4ng.","D. D\u00f2ng \u0111\u1ed1i l\u01b0u c\u00f3 mang n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00f3 th\u1ec3 sinh c\u00f4ng."],"hint":"","explain":"<span class='basic_left'>D\u00f2ng \u0111\u1ed1i l\u01b0u c\u00f3 mang n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00f3 th\u1ec3 sinh c\u00f4ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2916},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"\u0110\u1ee9ng g\u1ea7n m\u1ed9t ng\u1ecdn l\u1eeda tr\u1ea1i ho\u1eb7c m\u1ed9t l\u00f2 s\u01b0\u1edfi, ta c\u1ea3m th\u1ea5y n\u00f3ng. Nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n t\u1eeb ng\u1ecdn l\u1eeda \u0111\u1ebfn ta b\u1eb1ng c\u00e1ch n\u00e0o?","select":["A. S\u1ef1 \u0111\u1ed1i l\u01b0u.","B. Ch\u1ee7 y\u1ebfu l\u00e0 b\u1ee9c x\u1ea1 nhi\u1ec7t, m\u1ed9t ph\u1ea7n do d\u1eabn nhi\u1ec7t.","C. S\u1ef1 b\u1ee9c x\u1ea1 nhi\u1ec7t.","D. S\u1ef1 d\u1eabn nhi\u1ec7t c\u1ee7a kh\u00f4ng kh\u00ed."],"hint":"","explain":"<span class='basic_left'>\u0110\u1ee9ng g\u1ea7n m\u1ed9t ng\u1ecdn l\u1eeda tr\u1ea1i ho\u1eb7c m\u1ed9t l\u00f2 s\u01b0\u1edfi, ta c\u1ea3m th\u1ea5y n\u00f3ng. Nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n t\u1eeb ng\u1ecdn l\u1eeda \u0111\u1ebfn ta b\u1eb1ng c\u00e1ch ch\u1ee7 y\u1ebfu l\u00e0 b\u1ee9c x\u1ea1 nhi\u1ec7t, m\u1ed9t ph\u1ea7n do d\u1eabn nhi\u1ec7t. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2917},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"H\u00e3y quan s\u00e1t chi\u1ebfc ph\u00edch v\u00e0 cho bi\u1ebft v\u00ec sao n\u00f3 l\u1ea1i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o hai l\u1edbp v\u1ecf th\u1ee7y tinh, \u1edf gi\u1eefa l\u00e0 ch\u00e2n kh\u00f4ng v\u00e0 c\u00f3 n\u00fat \u0111\u1eady k\u00edn. T\u00e1c d\u1ee5ng c\u1ee7a ch\u00fang l\u00e0 g\u00ec? ","select":["A. Gi\u1eefa hai l\u1edbp th\u1ee7y tinh l\u00e0 ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng. N\u00fat ph\u00edch c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n c\u1ea3n s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng b\u1ee9c x\u1ea1 nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng ngo\u00e0i.","B. Gi\u1eefa hai l\u1edbp th\u1ee7y tinh l\u00e0 ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 \u0111\u1ed1i l\u01b0u. N\u00fat ph\u00edch c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n c\u1ea3n s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng d\u1eabn nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng ngo\u00e0i.","C. Gi\u1eefa hai l\u1edbp th\u1ee7y tinh l\u00e0 ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 b\u1ee9c x\u1ea1 nhi\u1ec7t. N\u00fat ph\u00edch c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n c\u1ea3n s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng d\u1eabn nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng ngo\u00e0i.","D. Gi\u1eefa hai l\u1edbp th\u1ee7y tinh l\u00e0 ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 d\u1eabn nhi\u1ec7t. N\u00fat ph\u00edch c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n c\u1ea3n s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng \u0111\u1ed1i l\u01b0u ra m\u00f4i tr\u01b0\u1eddng ngo\u00e0i."],"hint":"","explain":"<span class='basic_left'>Ph\u00edch \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o hai l\u1edbp v\u1ecf th\u1ee7y tinh, \u1edf gi\u1eefa l\u00e0 ch\u00e2n kh\u00f4ng v\u00e0 c\u00f3 n\u00fat \u0111\u1eady k\u00edn v\u00ec:<br\/>Gi\u1eefa hai l\u1edbp th\u1ee7y tinh l\u00e0 ch\u00e2n kh\u00f4ng \u0111\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 d\u1eabn nhi\u1ec7t. N\u00fat ph\u00edch c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n c\u1ea3n s\u1ef1 truy\u1ec1n nhi\u1ec7t b\u1eb1ng \u0111\u1ed1i l\u01b0u ra m\u00f4i tr\u01b0\u1eddng ngo\u00e0i. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2918},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"H\u00e3y quan s\u00e1t chi\u1ebfc \u0111\u00e8n l\u1ed3ng m\u00e0 c\u00e1c em th\u01b0\u1eddng ch\u01a1i trong d\u1ecbp trung thu v\u00e0 cho bi\u1ebft chi\u1ebfc \u0111\u00e8n c\u00f3 th\u1ec3 quay \u0111\u01b0\u1ee3c nh\u1edd v\u00e0o hi\u1ec7n t\u01b0\u1ee3ng g\u00ec v\u1ec1 m\u1eb7t nhi\u1ec7t h\u1ecdc? ","select":["A. B\u1ee9c x\u1ea1 nhi\u1ec7t.","B. \u0110\u1ed1i l\u01b0u v\u00e0 s\u1ef1 th\u1ef1c hi\u1ec7n c\u00f4ng.","C. Truy\u1ec1n nhi\u1ec7t.","D. Th\u1ef1c hi\u1ec7n c\u00f4ng."],"hint":"","explain":"<span class='basic_left'>D\u00f2ng kh\u00ed \u1edf d\u01b0\u1edbi \u0111\u00e1y \u0111\u00e8n \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng b\u1eb1ng n\u1ebfn ho\u1eb7c \u0111\u00e8n d\u1ea7u, n\u00f3 s\u1ebd n\u00f3ng l\u00ean v\u00e0 chuy\u1ec3n \u0111\u1ed9ng l\u00ean tr\u00ean, l\u00e0m quay c\u00e1c h\u1ec7 th\u1ed1ng trong \u0111\u00e8n. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2919}],"lesson":{"save":0,"level":2}}