{"common":{"save":0,"post_id":"9268","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9877","post_id":"9268","mon_id":"1159539","chapter_id":"1160023","question":"<p>Hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt t\u0103ng th\u1ec3 tích khi \u0111\u01b0\u1ee3c nung nóng g\u1ecdi là gì?<\/p>","options":["A. B\u1ed1c h\u01a1i","B. Nóng ch\u1ea3y","C. S\u1ef1 n\u1edf vì nhi\u1ec7t","D. \u0110\u1ed1i l\u01b0u"],"correct":"3","level":"1","hint":"<p>\u0110ây là khái ni\u1ec7m c\u01a1 b\u1ea3n c\u1ee7a bài.<\/p>","answer":"<p><strong data-end=\"492\" data-start=\"455\">\u0110áp án \u0111úng là: C. S\u1ef1 n\u1edf vì nhi\u1ec7t<\/strong><br data-end=\"495\" data-start=\"492\" \/><strong data-end=\"510\" data-start=\"495\">Gi\u1ea3i thích:<\/strong><\/p><p>S\u1ef1 n\u1edf vì nhi\u1ec7t là hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt t\u0103ng th\u1ec3 tích khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-15 22:37:36","option_type":"txt","len":2},{"id":"9878","post_id":"9268","mon_id":"1159539","chapter_id":"1160023","question":"<p>Khi b\u1ecb làm l\u1ea1nh, h\u1ea7u h\u1ebft các ch\u1ea5t có xu h\u01b0\u1edbng:<\/p>","options":["A. N\u1edf ra","B. Bay h\u01a1i","C. Co l\u1ea1i","D. Không thay \u0111\u1ed5i th\u1ec3 tích"],"correct":"3","level":"1","hint":"<p>Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi s\u1ef1 n\u1edf vì nhi\u1ec7t.<\/p>","answer":"<p><strong data-end=\"780\" data-start=\"751\">áp án \u0111úng là: C. Co l\u1ea1i<\/strong><br data-end=\"783\" data-start=\"780\" \/><strong data-end=\"798\" data-start=\"783\">Gi\u1ea3i thích:<\/strong><\/p><p>Khi b\u1ecb làm l\u1ea1nh, các phân t\u1eed chuy\u1ec3n \u0111\u1ed9ng y\u1ebfu h\u01a1n → v\u1eadt co l\u1ea1i.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-15 22:38:23","option_type":"txt","len":2},{"id":"9879","post_id":"9268","mon_id":"1159539","chapter_id":"1160023","question":"<p>Ch\u1ea5t nào d\u01b0\u1edbi \u0111ây n\u1edf vì nhi\u1ec7t nhi\u1ec1u nh\u1ea5t?<\/p>","options":["A. Ch\u1ea5t r\u1eafn","B. Ch\u1ea5t l\u1ecfng","C. Ch\u1ea5t khí","D. N\u01b0\u1edbc \u0111á"],"correct":"3","level":"1","hint":"<p>So sánh gi\u1eefa ba tr\u1ea1ng thái v\u1eadt ch\u1ea5t.<\/p>","answer":"<p><strong data-end=\"1060\" data-start=\"1029\">\u0110áp án \u0111úng là: C. Ch\u1ea5t khí<\/strong><br data-end=\"1063\" data-start=\"1060\" \/><strong data-end=\"1078\" data-start=\"1063\">Gi\u1ea3i thích:<\/strong><\/p><p>Ch\u1ea5t khí n\u1edf vì nhi\u1ec7t nhi\u1ec1u h\u01a1n ch\u1ea5t l\u1ecfng và ch\u1ea5t r\u1eafn do các phân t\u1eed cách xa nhau h\u01a1n.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-15 22:39:11","option_type":"txt","len":2}]}
