Một số vật liệu - Bài tập nâng cao

Home Lớp 6 Khoa học tự nhiên 6 - Sách kết nối tri thức Bài 12: Một số vật liệuBài tập nâng cao

{"common":{"save":0,"post_id":"5001","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9777","post_id":"5001","mon_id":"1158149","chapter_id":"1158248","question":"Ch\u1ecdn câu \u0111úng.<\/p>","options":["A.<\/strong> \u0110\u1ed3ng d\u1eabn \u0111i\u1ec7n kém nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n","B.<\/strong> \u0110\u1ed3ng d\u1eabn nhi\u1ec7t t\u1ed1t nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n","C. <\/strong>\u0110\u1ed3ng d\u1eabn \u0111i\u1ec7n t\u1ed1t nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n","D. <\/strong>\u0110\u1ed3ng d\u1eabn nhi\u1ec7t kém nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n"],"correct":"3","level":"3","hint":"","answer":"A.<\/strong> \u0110\u1ed3ng d\u1eabn \u0111i\u1ec7n kém<\/strong> nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n          Sai<\/span><\/p>B.<\/strong> \u0110\u1ed3ng d\u1eabn nhi\u1ec7t<\/strong> t\u1ed1t nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n            Sai<\/span><\/p>C. <\/strong>\u0110\u1ed3ng d\u1eabn \u0111i\u1ec7n t\u1ed1t<\/strong> nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n            \u0110úng<\/span><\/p>D. <\/strong>\u0110\u1ed3ng d\u1eabn nhi\u1ec7t kém<\/strong> nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n         Sai<\/span><\/p>\u0110áp án \u0111úng là  C. \u0110\u1ed3ng d\u1eabn \u0111i\u1ec7n t\u1ed1t nên \u0111\u01b0\u1ee3c dùng làm lõi dây \u0111i\u1ec7n<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-20 03:28:19","option_type":"txt","len":3},{"id":"9780","post_id":"5001","mon_id":"1158149","chapter_id":"1158248","question":"Ch\u1ecdn câu \u0111úng.<\/p>","options":["A.<\/strong> G\u1ed1m d\u1eabn nhi\u1ec7t t\u1ed1t","B.<\/strong> Cao su không d\u1eabn nhi\u1ec7t ","C.<\/strong> S\u1eaft d\u1eabn nhi\u1ec7t kém ","D.<\/strong> Nh\u1ef1a d\u1eabn nhi\u1ec7t t\u1ed1t"],"correct":"2","level":"3","hint":"","answer":"A.<\/strong> G\u1ed1m d\u1eabn nhi\u1ec7t t\u1ed1t              Sai<\/span> vì g\u1ed1m d\u1eabn nhi\u1ec7t kém<\/p>B.<\/strong> Cao su không d\u1eabn nhi\u1ec7t     \u0110úng<\/span><\/p>C.<\/strong> S\u1eaft d\u1eabn nhi\u1ec7t kém              Sai<\/span> vì s\u1eaft d\u1eabn nhi\u1ec7t t\u1ed1t <\/p>D.<\/strong> Nh\u1ef1a d\u1eabn nhi\u1ec7t t\u1ed1t             Sai<\/span> vì nh\u1ef1a d\u1eabn nhi\u1ec7t kém <\/p>\u0110áp án \u0111úng là  B. Cao su không d\u1eabn nhi\u1ec7t <\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-20 03:32:45","option_type":"txt","len":2},{"id":"9782","post_id":"5001","mon_id":"1158149","chapter_id":"1158248","question":"Ch\u1ecdn câu sai<\/strong>.<\/p>","options":["A.<\/strong> Thu\u1ef7 tinh không d\u1eabn \u0111i\u1ec7n","B.<\/strong> Nh\u1ef1a không d\u1eabn \u0111i\u1ec7n","C.<\/strong> G\u1ed1m h\u1ea7u nh\u01b0 không d\u1eabn \u0111i\u1ec7n ","D.<\/strong> Cao su d\u1eabn \u0111i\u1ec7n t\u1ed1t"],"correct":"4","level":"3","hint":"","answer":"A.<\/strong> Thu\u1ef7 tinh không d\u1eabn \u0111i\u1ec7n                  \u0110úng<\/span> <\/p>B.<\/strong> Nh\u1ef1a không d\u1eabn \u0111i\u1ec7n                       \u0110úng<\/span> <\/p>C.<\/strong> G\u1ed1m h\u1ea7u nh\u01b0 không d\u1eabn \u0111i\u1ec7n          \u0110úng<\/span> <\/p>D.<\/strong> Cao su d\u1eabn \u0111i\u1ec7n t\u1ed1t                           Sai<\/span> vì cao su không d\u1eabn \u0111i\u1ec7n<\/p>\u0110áp án là  D. Cao su d\u1eabn \u0111i\u1ec7n t\u1ed1t<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-20 03:37:09","option_type":"txt","len":2}]}