{"common":{"save":0,"post_id":"9648","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8303","post_id":"9648","mon_id":"1159892","chapter_id":"1160152","question":"<p data-pm-slice=\"0 0 []\">Có th\u1ec3 t\u1ed5ng h\u1ee3p polime t\u1eeb ch\u1ea5t nào sau \u0111ây?<\/p>","options":["A. benzen","B. toluen","C. 3-propan ","D. stiren"],"correct":"4","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>D. stiren<\/strong><\/p><p><strong data-end=\"91\" data-start=\"67\">Stiren (C\u2086H\u2085–CH=CH\u2082)<\/strong> có <strong data-end=\"115\" data-start=\"95\">liên k\u1ebft \u0111ôi C=C<\/strong> → có kh\u1ea3 n\u0103ng <strong data-end=\"143\" data-start=\"130\">trùng h\u1ee3p<\/strong> t\u1ea1o thành <strong data-end=\"173\" data-start=\"154\">polistiren (PS)<\/strong> — m\u1ed9t lo\u1ea1i nh\u1ef1a thông d\u1ee5ng.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-12 19:10:12","option_type":"txt","len":1},{"id":"8304","post_id":"9648","mon_id":"1159892","chapter_id":"1160152","question":"<p data-pm-slice=\"0 0 []\">Ph\u1ea3n \u1ee9ng benzen tác d\u1ee5ng v\u1edbi clo t\u1ea1o C6H6Cl6 x\u1ea3y ra trong \u0111i\u1ec1u ki\u1ec7n:<\/p>","options":["A. Có b\u1ed9t Fe xúc tác","B. Có ánh sáng khuy\u1ebfch tán","C. Có dung môi n\u01b0\u1edbc ","D. Có dung môi CCl4"],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>B. Có ánh sáng khuy\u1ebfch tán<\/strong><\/p><ul> <li data-end=\"158\" data-start=\"81\"><p data-end=\"158\" data-start=\"83\"><strong data-end=\"109\" data-start=\"83\">Benzen + Cl\u2082 → C\u2086H\u2086Cl\u2086<\/strong> là ph\u1ea3n \u1ee9ng <strong data-end=\"130\" data-start=\"122\">c\u1ed9ng<\/strong>, không ph\u1ea3i ph\u1ea3n \u1ee9ng th\u1ebf.<\/p><\/li> <li data-end=\"325\" data-start=\"159\"><p data-end=\"325\" data-start=\"161\">Ph\u1ea3n \u1ee9ng x\u1ea3y ra khi có <strong data-end=\"207\" data-start=\"184\">ánh sáng khu\u1ebfch tán<\/strong>, t\u1ea1o ra <strong data-end=\"249\" data-start=\"216\">hexaclorocyclohexan (C\u2086H\u2086Cl\u2086)<\/strong> – còn g\u1ecdi là <strong data-end=\"293\" data-start=\"263\">benzene hexachloride (BHC)<\/strong> hay <strong data-end=\"308\" data-start=\"298\">lindan<\/strong> (thu\u1ed1c tr\u1eeb sâu).<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-12 19:10:37","option_type":"txt","len":3},{"id":"8305","post_id":"9648","mon_id":"1159892","chapter_id":"1160152","question":"<p data-pm-slice=\"0 0 []\">Khí thiên nhiên<\/p>","options":["A. Thu \u0111\u01b0\u1ee3c khi nung than \u0111á","B. Có trong d\u1ea7u m\u1ecf","C. Khí ch\u1ebf bi\u1ebfn d\u1ea7u m\u1ecf ","D. Khai thác t\u1eeb các m\u1ecf khí."],"correct":"4","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>D. Khai thác t\u1eeb các m\u1ecf khí.<\/strong><\/p><ul> <li data-end=\"211\" data-start=\"66\"><p data-end=\"211\" data-start=\"68\"><strong data-end=\"87\" data-start=\"68\">Khí thiên nhiên<\/strong> là m\u1ed9t lo\u1ea1i nhiên li\u1ec7u hóa th\u1ea1ch, ch\u1ee7 y\u1ebfu ch\u1ee9a <strong data-end=\"150\" data-start=\"135\">metan (CH\u2084)<\/strong>, \u0111\u01b0\u1ee3c <strong data-end=\"196\" data-start=\"157\">khai thác t\u1eeb các m\u1ecf khí thiên nhiên<\/strong> d\u01b0\u1edbi lòng \u0111\u1ea5t.<\/p><\/li> <li data-end=\"343\" data-start=\"212\"><p data-end=\"343\" data-start=\"214\">Nó <strong data-end=\"231\" data-start=\"217\">không ph\u1ea3i<\/strong> là s\u1ea3n ph\u1ea9m c\u1ee7a quá trình ch\u1ebf bi\u1ebfn d\u1ea7u m\u1ecf hay nung than \u0111á, dù \u0111ôi khi có th\u1ec3 \u0111i kèm trong m\u1ecf d\u1ea7u ho\u1eb7c m\u1ecf than.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-12 19:11:05","option_type":"txt","len":2}]}