{"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":5,"ques":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng:<br\/>Ch\u1ea5t d\u1eabn \u0111i\u1ec7n l\u00e0 ch\u1ea5t\u2026\u2026..d\u00f2ng \u0111i\u1ec7n \u0111i qua, ch\u1ea5t c\u00e1ch \u0111i\u1ec7n l\u00e0 ch\u1ea5t\u2026\u2026\u2026\u2026.d\u00f2ng \u0111i\u1ec7n \u0111i qua.","select":["A. Kh\u00f4ng cho, kh\u00f4ng cho","B. Cho, kh\u00f4ng cho","C. Cho, cho","D. Kh\u00f4ng cho, cho"],"hint":"","explain":"<span class='basic_left'>Ch\u1ea5t d\u1eabn \u0111i\u1ec7n l\u00e0 ch\u1ea5t cho d\u00f2ng \u0111i\u1ec7n \u0111i qua, ch\u1ea5t c\u00e1ch \u0111i\u1ec7n l\u00e0 ch\u1ea5t kh\u00f4ng cho d\u00f2ng \u0111i\u1ec7n \u0111i qua.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2571},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ch\u1ecdn c\u00e2u sai","select":["A. Ch\u1ea5t d\u1eabn \u0111i\u1ec7n l\u00e0 ch\u1ea5t cho d\u00f2ng \u0111i\u1ec7n \u0111i qua","B. V\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n","C. B\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n l\u00e0m b\u1eb1ng ch\u1ea5t d\u1eabn \u0111i\u1ec7n","D. B\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n"],"hint":"","explain":"<span class='basic_left'>V\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2572},{"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\u1eadt li\u1ec7u n\u00e0o sau \u0111\u00e2y l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n?","select":["A. G\u1ed7","B. Th\u1ee7y tinh","C. Nh\u1ef1a","D. Kim lo\u1ea1i"],"hint":"","explain":"<span class='basic_left'>Kim lo\u1ea1i l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2573},{"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":"V\u1eadt li\u1ec7u n\u00e0o sau \u0111\u00e2y l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n?","select":["A. G\u1ed7 kh\u00f4","B. \u0110\u1ed3ng","C. S\u1eaft","D. Nh\u00f4m"],"hint":"","explain":"<span class='basic_left'>G\u1ed7 kh\u00f4 l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2574},{"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 c\u00e2u \u0111\u00fang nh\u1ea5t:","select":["A. Kim lo\u1ea1i l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n","B. Kim lo\u1ea1i \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1eed","C. Trong kim lo\u1ea1i lu\u00f4n t\u1ed3n t\u1ea1i c\u00e1c \u0111i\u1ec7n t\u1eed t\u1ef1 do","D. C\u1ea3 ba c\u00e2u tr\u00ean \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>Kim lo\u1ea1i l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n, \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1eed, trong kim lo\u1ea1i lu\u00f4n t\u1ed3n t\u1ea1i c\u00e1c \u0111i\u1ec7n t\u1eed t\u1ef1 do.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2575},{"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":"Trong kim lo\u1ea1i, c\u00e1c electron \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 electron t\u1ef1 do l\u00e0:","select":["A. C\u00e1c electron tho\u00e1t ra kh\u1ecfi kim lo\u1ea1i v\u00e0 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do","B. C\u00e1c electron tho\u00e1t ra kh\u1ecfi nguy\u00ean t\u1eed kim lo\u1ea1i v\u00e0 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do trong to\u00e0n kh\u1ed1i kim lo\u1ea1i","C. C\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do trong nguy\u00ean t\u1eed kim lo\u1ea1i","D. A, B, C \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>Trong kim lo\u1ea1i, c\u00e1c electron \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 electron t\u1ef1 do l\u00e0 c\u00e1c electron tho\u00e1t ra kh\u1ecfi nguy\u00ean t\u1eed kim lo\u1ea1i v\u00e0 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do trong to\u00e0n kh\u1ed1i kim lo\u1ea1i <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2576},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ch\u1ecdn c\u00e2u ph\u00e1t bi\u1ec3u sai","select":["A. Trong kim lo\u1ea1i t\u1ed3n t\u1ea1i c\u00e1c ion d\u01b0\u01a1ng","B. Trong kim lo\u1ea1i t\u1ed3n t\u1ea1i c\u00e1c ion \u00e2m","C. Trong kim lo\u1ea1i c\u00f3 ch\u1ee9a c\u00e1c \u0111i\u1ec7n t\u1eed t\u1ef1 do","D. Kim lo\u1ea1i \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1eed"],"hint":"","explain":"<span class='basic_left'>Trong kim lo\u1ea1i kh\u00f4ng t\u1ed3n t\u1ea1i c\u00e1c ion \u00e2m, ch\u1ec9 c\u00f3 ion d\u01b0\u01a1ng v\u00e0 electron.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2577},{"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 m\u1ed9t \u0111o\u1ea1n d\u00e2y \u0111i\u1ec7n, ph\u1ea7n n\u00e0o c\u1ee7a d\u00e2y l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n:","select":["A. Ph\u1ea7n v\u1ecf nh\u1ef1a c\u1ee7a d\u00e2y","B. Ph\u1ea7n \u0111\u1ea7u c\u1ee7a \u0111o\u1ea1n d\u00e2y","C. Ph\u1ea7n cu\u1ed1i c\u1ee7a \u0111o\u1ea1n d\u00e2y","D. Ph\u1ea7n l\u00f5i c\u1ee7a d\u00e2y"],"hint":"","explain":"<span class='basic_left'>Trong m\u1ed9t \u0111o\u1ea1n d\u00e2y \u0111i\u1ec7n, ph\u1ea7n l\u00f5i c\u1ee7a d\u00e2y l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2578},{"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":"Hi\u1ec7n nay, trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n d\u00f9ng trong gia \u0111\u00ecnh, ch\u1ea5t c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o?","select":["A. G\u1ed7","B. S\u1ee9","C. Nh\u1ef1a","D. Cao su"],"hint":"","explain":"<span class='basic_left'>Hi\u1ec7n nay, trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n d\u00f9ng trong gia \u0111\u00ecnh, ch\u1ea5t c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t l\u00e0 nh\u1ef1a, v\u00ec n\u00f3 c\u00e1ch \u0111i\u1ec7n t\u1ed1t, r\u1ebb v\u00e0 d\u1ec5 ch\u1ebf t\u1ea1o.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2579},{"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":"Ng\u01b0\u1eddi ta d\u00f9ng d\u00e2y nh\u1ef1a \u0111\u1ec3 b\u1ecdc l\u00f5i \u0111\u1ed3ng trong s\u1ee3i d\u00e2y \u0111i\u1ec7n l\u00e0 \u0111\u1ec3:","select":["A. C\u00e1ch \u0111i\u1ec7n","B. D\u1eabn \u0111i\u1ec7n","C. B\u1ea3o v\u1ec7 l\u00f5i \u0111\u1ed3ng kh\u00f4ng b\u1ecb \u0111\u1ee9t","D. C\u1ea3 A v\u00e0 C \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>Ng\u01b0\u1eddi ta d\u00f9ng d\u00e2y nh\u1ef1a \u0111\u1ec3 b\u1ecdc l\u00f5i \u0111\u1ed3ng trong s\u1ee3i d\u00e2y \u0111i\u1ec7n l\u00e0 \u0111\u1ec3 c\u00e1ch \u0111i\u1ec7n v\u00e0 b\u1ea3o v\u1ec7 l\u00f5i \u0111\u1ed3ng kh\u00f4ng b\u1ecb \u0111\u1ee9t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2580},{"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":"Ch\u1ecdn c\u00e2u s\u1eafp x\u1ebfp c\u00e1c ch\u1ea5t theo kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n t\u1ed1t t\u0103ng d\u1ea7n: ","select":["A. N\u01b0\u1edbc th\u01b0\u1eddng d\u00f9ng, \u0111\u1ed3ng, th\u1ee7y ng\u00e2n","B. N\u01b0\u1edbc th\u01b0\u1eddng d\u00f9ng, than ch\u00ec, v\u00e0ng","C. Th\u1ee7y ng\u00e2n, c\u00e1c dung d\u1ecbch mu\u1ed1i, s\u1eaft","D. B\u1ea1c, c\u00e1c dung d\u1ecbch axit, than ch\u00ec"],"hint":"","explain":"<span class='basic_left'>N\u01b0\u1edbc th\u01b0\u1eddng d\u00f9ng, than ch\u00ec, v\u00e0ng s\u1eafp x\u1ebfp theo kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n t\u1ed1t t\u0103ng d\u1ea7n. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2581},{"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 s\u1eafp x\u1ebfp c\u00e1c ch\u1ea5t theo kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n t\u1ed1t t\u0103ng d\u1ea7n","select":["A. Kh\u00f4ng kh\u00ed, nh\u1ef1a, s\u1ee9","B. N\u01b0\u1edbc c\u1ea5t, th\u1ee7y tinh, ch\u1ea5t d\u1ebbo","C. Cao su, g\u1ed7 kh\u00f4, ch\u1ea5t s\u1ee9","D. Kh\u00f4ng kh\u00ed, th\u1ee7y tinh, nh\u1ef1a"],"hint":"","explain":"<span class='basic_left'>Kh\u00f4ng kh\u00ed, nh\u1ef1a, s\u1ee9 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n t\u1ed1t t\u0103ng d\u1ea7n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2582},{"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 c\u00e1c l\u00f5i d\u00e2y \u0111i\u1ec7n th\u01b0\u1eddng l\u00e0m b\u1eb1ng \u0111\u1ed3ng:","select":["A. V\u00ec \u0111\u1ed3ng d\u1eabn \u0111i\u1ec7n t\u1ed1t","B. V\u00ec \u0111\u1ed3ng l\u00e0 v\u1eadt li\u1ec7u kh\u00e1 ph\u1ed5 bi\u1ebfn gi\u00e1 kh\u00f4ng qu\u00e1 m\u1eafc so v\u1edbi v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n t\u1ed1t kh\u00e1c","C. V\u00ec \u0111\u1ed3ng d\u1ec5 k\u00e9o s\u1ee3i, d\u1ec5 u\u1ed1n v\u00e0 d\u1ec5 d\u00e1t m\u1ecfng","D. C\u1ea3 A, B, C \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>V\u00ec \u0111\u1ed3ng d\u1eabn \u0111i\u1ec7n t\u1ed1t, kh\u00e1 ph\u1ed5 bi\u1ebfn, gi\u00e1 kh\u00f4ng qu\u00e1 m\u1eafc so v\u1edbi v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n t\u1ed1t kh\u00e1c, \u0111\u1ed3ng d\u1ec5 k\u00e9o s\u1ee3i, d\u1ec5 u\u1ed1n v\u00e0 d\u1ec5 d\u00e1t m\u1ecfng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2583},{"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":"Khi s\u1eeda \u0111i\u1ec7n trong nh\u00e0, ba Lan th\u01b0\u1eddng \u0111\u1ee9ng tr\u00ean gh\u1ebf g\u1ed7 ho\u1eb7c gh\u1ebf nh\u1ef1a. L\u00e0m nh\u01b0 v\u1eady \u0111\u1ec3:","select":["A. Kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t \u0111\u1ea5t","B. Tr\u00e1nh b\u1ecb \u0111i\u1ec7n gi\u1eadt","C. Kh\u00f4ng cho d\u00f2ng \u0111i\u1ec7n \u0111i qua ng\u01b0\u1eddi","D. C\u1ea3 ba c\u00e2u \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>Khi s\u1eeda \u0111i\u1ec7n ta n\u00ean \u0111\u1ee9ng tr\u00ean gh\u1ebf g\u1ed7 ho\u1eb7c gh\u1ebf nh\u1ef1a \u0111\u1ec3 kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t \u0111\u1ea5t, kh\u00f4ng cho d\u00f2ng \u0111i\u1ec7n \u0111i qua ng\u01b0\u1eddi tr\u00e1nh b\u1ecb \u0111i\u1ec7n gi\u1eadt.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2584},{"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\u00e1c v\u1eadt nhi\u1ec5m\u2026\u2026\u2026 th\u00ec \u0111\u1ea9y nhau.","select":["A. C\u00f9ng \u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng","B. C\u00f9ng \u0111i\u1ec7n t\u00edch \u00e2m","C. \u0110i\u1ec7n t\u00edch c\u00f9ng lo\u1ea1i","D. \u0110i\u1ec7n t\u00edch kh\u00e1c nhau"],"hint":"","explain":"<span class='basic_left'>C\u00e1c v\u1eadt nhi\u1ec5m c\u00f9ng lo\u1ea1i th\u00ec \u0111\u1ea9y nhau.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2585},{"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":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/vatly/bai30/lv2/img\/h0.jpg'\/><\/center>Quan s\u00e1t h\u00ecnh tr\u00ean v\u00e0 cho bi\u1ebft b\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n l\u00e0:","select":["A. D\u00e2y t\u00f3c, d\u00e2y tr\u1ee5c,hai \u0111\u1ea7u d\u00e2y \u0111\u00e8n, l\u00f5i d\u00e2y, ch\u1ed1t c\u1eafm","B. D\u00e2y t\u00f3c, d\u00e2y tr\u1ee5c, tr\u1ee5 th\u1ee7y inh, hai \u0111\u1ea7u d\u00e2y \u0111\u00e8n, l\u00f5i d\u00e2y, ch\u1ed1t c\u1eafm","C. D\u00e2y t\u00f3c, d\u00e2y tr\u1ee5c, tr\u1ee5 th\u1ee7y tinh, hai \u0111\u1ea7u d\u00e2y \u0111\u00e8n, l\u00f5i d\u00e2y, v\u1ecf d\u00e2y, ch\u1ed1t c\u1eafm","D. D\u00e2y t\u00f3c, d\u00e2y tr\u1ee5c, tr\u1ee5 th\u1ee7y tinh, hai \u0111\u1ea7u d\u00e2y \u0111\u00e8n, l\u00f5i d\u00e2y, v\u1ecf d\u00e2y, ch\u1ed1t c\u1eafm, v\u1ecf nh\u1ef1a c\u1ee7a ph\u00edch c\u1eafm"],"hint":"","explain":"<span class='basic_left'>Quan s\u00e1t h\u00ecnh 9.1 b\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n l\u00e0 d\u00e2y t\u00f3c, d\u00e2y tr\u1ee5c,hai \u0111\u1ea7u d\u00e2y \u0111\u00e8n, l\u00f5i d\u00e2y, ch\u1ed1t c\u1eafm. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2586},{"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":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/vatly/bai30/lv2/img\/h0.jpg'\/><\/center>Quan s\u00e1t h\u00ecnh tr\u00ean v\u00e0 cho bi\u1ebft b\u1ed9 ph\u1eadn c\u00e1ch \u0111i\u1ec7n l\u00e0:","select":["A. D\u00e2y t\u00f3c, d\u00e2y tr\u1ee5c, tr\u1ee5 th\u1ee7y tinh, hai \u0111\u1ea7u d\u00e2y \u0111\u00e8n, l\u00f5i d\u00e2y, v\u1ecf d\u00e2y, ch\u1ed1t c\u1eafm, v\u1ecf nh\u1ef1a c\u1ee7a ph\u00edch c\u1eafm","B. Tr\u1ee5 th\u1ee7y tinh, th\u1ee7y tinh \u0111en, \u0111ui \u0111\u00e8n, v\u1ecf d\u00e2y, v\u1ecf nh\u1ef1a c\u1ee7a ph\u00edch c\u1eafm","C. Tr\u1ee5 th\u1ee7y tinh, hai \u0111\u1ea7u d\u00e2y \u0111\u00e8n, l\u00f5i d\u00e2y, v\u1ecf d\u00e2y, ch\u1ed1t c\u1eafm, v\u1ecf nh\u1ef1a c\u1ee7a ph\u00edch c\u1eafm","D. Tr\u1ee5 th\u1ee7y tinh, l\u00f5i d\u00e2y, v\u1ecf d\u00e2y, ch\u1ed1t c\u1eafm, v\u1ecf nh\u1ef1a c\u1ee7a ph\u00edch c\u1eafm"],"hint":"","explain":"<span class='basic_left'>Quan s\u00e1t h\u00ecnh tr\u00ean, b\u1ed9 ph\u1eadn c\u00e1ch \u0111i\u1ec7n l\u00e0 tr\u1ee5 th\u1ee7y tinh, th\u1ee7y tinh \u0111en, \u0111ui \u0111\u00e8n, v\u1ecf d\u00e2y, v\u1ecf nh\u1ef1a c\u1ee7a ph\u00edch c\u1eafm.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2587},{"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":"Khi \u0111\u01b0a tay s\u00e1t g\u1ea7n m\u00e0n h\u00ecnh tivi hay m\u00e0n h\u00ecnh m\u00e1y vi t\u00ednh \u0111ang ho\u1ea1t \u0111\u1ed9ng s\u1ebd nghe th\u1ea5y nh\u1eefng ti\u1ebfng l\u00e1ch t\u00e1ch nh\u1ecf. \u0110i\u1ec1u n\u00e0y l\u00e0 do:","select":["A. M\u00e0n h\u00ecnh \u0111\u00e3 b\u1ecb nhi\u1ec5m \u0111i\u1ec7n","B. C\u00f3 s\u1ef1 ph\u00f3ng \u0111i\u1ec7n gi\u1eefa tay v\u00e0 m\u00e0n h\u00ecnh","C. C\u1ea3 hai c\u00e2u A v\u00e0 B \u0111\u1ec1u \u0111\u00fang","D. C\u1ea3 hai c\u00e2u A v\u00e0 B \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>Khi \u0111\u01b0a tay s\u00e1t g\u1ea7n m\u00e0n h\u00ecnh tivi hay m\u00e0n h\u00ecnh m\u00e1y vi t\u00ednh \u0111ang ho\u1ea1t \u0111\u1ed9ng s\u1ebd nghe th\u1ea5y nh\u1eefng ti\u1ebfng l\u00e1ch t\u00e1ch nh\u1ecf. \u0110i\u1ec1u n\u00e0y l\u00e0 do m\u00e0n h\u00ecnh \u0111\u00e3 b\u1ecb nhi\u1ec5m \u0111i\u1ec7n, v\u00e0 c\u00f3 s\u1ef1 ph\u00f3ng \u0111i\u1ec7n gi\u1eefa tay v\u00e0 m\u00e0n h\u00ecnh.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2588},{"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":"\u0110\u01b0a hai v\u1eadt \u0111\u00e3 b\u1ecb nhi\u1ec5m \u0111i\u1ec7n l\u1ea1i g\u1ea7n nhau: ","select":["A. Ch\u00fang lu\u00f4n h\u00fat nhau","B. Ch\u00fang lu\u00f4n \u0111\u1ea9y nhau","C. Ch\u00fang kh\u00f4ng h\u00fat v\u00e0 kh\u00f4ng \u0111\u1ea9y nhau","D. C\u00f3 th\u1ec3 h\u00fat ho\u1eb7c \u0111\u1ea9y nhau t\u00f9y theo ch\u00fang nhi\u1ec5m \u0111i\u1ec7n c\u00f9ng d\u1ea5u hay tr\u00e1i d\u1ea5u"],"hint":"","explain":"<span class='basic_left'>\u0110\u01b0a hai v\u1eadt \u0111\u00e3 b\u1ecb nhi\u1ec5m \u0111i\u1ec7n l\u1ea1i g\u1ea7n nhau ch\u00fang c\u00f3 th\u1ec3 h\u00fat ho\u1eb7c \u0111\u1ea9y nhau t\u00f9y theo ch\u00fang nhi\u1ec5m \u0111i\u1ec7n c\u00f9ng d\u1ea5u hay tr\u00e1i d\u1ea5u.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2589},{"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":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng:<br\/>C\u00e1c v\u1eadt nhi\u1ec5m \u0111i\u1ec7n \u2026\u2026\u2026\u2026 th\u00ec \u0111\u1ea9y nhau, \u2026\u2026\u2026\u2026.. th\u00ec h\u00fat nhau","select":["A. Kh\u00e1c lo\u1ea1i, c\u00f9ng lo\u1ea1i","B. C\u00f9ng lo\u1ea1i, kh\u00e1c lo\u1ea1i","C. Nh\u01b0 nhau, kh\u00e1c nhau","D. Kh\u00e1c nhau, nh\u01b0 nhau"],"hint":"","explain":"<span class='basic_left'>C\u00e1c v\u1eadt nhi\u1ec5m \u0111i\u1ec7n c\u00f9ng lo\u1ea1i th\u00ec \u0111\u1ea9y nhau, kh\u00e1c lo\u1ea1i th\u00ec h\u00fat nhau<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2590}],"lesson":{"save":0,"level":2}}