{"common":{"save":0,"post_id":"7862","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8074","post_id":"7862","mon_id":"1159533","chapter_id":"1159554","question":"<p>Ch\u1ea5t nào sau \u0111ây là d\u1eabn xu\u1ea5t c\u1ee7a hydrocarbon?<\/p>","options":["<strong>A.<\/strong> CH<span class=\"math-tex\">$_{4}$<\/span>","<strong>B.<\/strong> C<span class=\"math-tex\">$_{2}$<\/span>H<span class=\"math-tex\">$_{6}$<\/span>","<strong>C.<\/strong> C<span class=\"math-tex\">$_{6}$<\/span>H<span class=\"math-tex\">$_{6}$<\/span>","<strong>D.<\/strong> C<span class=\"math-tex\">$_{3}$<\/span>H<span class=\"math-tex\">$_{6}$<\/span>Br"],"correct":"4","level":"2","hint":"<p>D\u1ef1a vào \u0111\u1ecbnh ngh\u0129a v\u1ec1 d\u1eabn xu\u1ea5t c\u1ee7a hydrocarbon<\/p>","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>D. C<span class=\"math-tex\">$_{3}$<\/span><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\">H<\/font><\/font><span class=\"math-tex\">$_{6}$<\/span><\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><\/span><\/p><p>- <strong>A.<\/strong> CH<span class=\"math-tex\">$_{4}$<\/span>: \u0110ây là methane, m\u1ed9t hydrocarbon \u0111\u01a1n gi\u1ea3n.<\/p><p>- <strong>B.<\/strong> C<span class=\"math-tex\">$_{2}$<\/span>H<span class=\"math-tex\">$_{6}$<\/span>: \u0110ây là ethane, c\u0169ng là m\u1ed9t hydrocarbon.<\/p><p>- <strong>C.<\/strong> C<span class=\"math-tex\">$_{6}$<\/span>H<span class=\"math-tex\">$_{6}$<\/span>: \u0110ây là benzene, m\u1ed9t hydrocarbon th\u01a1m.<\/p><p>- <strong>D.<\/strong> C<span class=\"math-tex\">$_{3}$<\/span>H<span class=\"math-tex\">$_{6}$<\/span>Br: Ch\u1ea5t này ch\u1ee9a brom, m\u1ed9t nguyên t\u1ed1 khác ngoài carbon và hydrogen<\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"127","test":"0","date":"2024-10-23 04:19:47","option_type":"math","len":0},{"id":"8075","post_id":"7862","mon_id":"1159533","chapter_id":"1159554","question":"<p>Trong các ch\u1ea5t sau: CH<span class=\"math-tex\">$_{4}$<\/span>, CO<span class=\"math-tex\">$_{2}$<\/span>, C<span class=\"math-tex\">$_{2}$<\/span>H<span class=\"math-tex\">$_{4}$<\/span>, Na<span class=\"math-tex\">$_{2}$<\/span>CO<span class=\"math-tex\">$_{3}$<\/span>, C<span class=\"math-tex\">$_{2}$<\/span>H<span class=\"math-tex\">$_{5}$<\/span>ONa có<\/p>","options":["<strong>A.<\/strong> 1 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 và 4 h\u1ee3p ch\u1ea5t vô c\u01a1","<strong>B.<\/strong> 2 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 và 3 h\u1ee3p ch\u1ea5t vô c\u01a1","<strong>C.<\/strong> 4 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 và 1 h\u1ee3p ch\u1ea5t v\u01a1 c\u01a1","<strong>D.<\/strong> 3 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 và 2 h\u1ee3p ch\u1ea5t vô c\u01a1"],"correct":"4","level":"2","hint":"<p>D\u1ef1a và phân lo\u1ea1i các h\u1ee3p ch\u1ea5t vô c\u01a1 và h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1<\/p>","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>D. 3 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 và 2 h\u1ee3p ch\u1ea5t vô c\u01a1<\/strong><\/span><\/p><p>Có <strong>2 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1<\/strong> (CH<span class=\"math-tex\">$_{4}$<\/span> và C<span class=\"math-tex\">$_{2}$<\/span>H<span class=\"math-tex\">$_{4}$<\/span>) và <strong>3 h\u1ee3p ch\u1ea5t vô c\u01a1<\/strong> (CO<span class=\"math-tex\">$_{2}$<\/span>, Na<span class=\"math-tex\">$_{2}$<\/span>CO<span class=\"math-tex\">$_{3}$<\/span>, và C<span class=\"math-tex\">$_{2}$<\/span>H<span class=\"math-tex\">$_{5}$<\/span>ONa).<\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"127","test":"0","date":"2024-10-23 04:30:41","option_type":"txt","len":0},{"id":"8076","post_id":"7862","mon_id":"1159533","chapter_id":"1159554","question":"<p>D\u1ef1a vào d\u1eef ki\u1ec7n nào trong s\u1ed1 các d\u1eef ki\u1ec7n sau \u0111ây \u0111\u1ec3 có th\u1ec3 nói m\u1ed9t ch\u1ea5t là vô c\u01a1 hay h\u1eefu c\u01a1?<\/p>","options":["<strong>A.<\/strong> Tr\u1ea1ng thái (r\u1eafn, l\u1ecfng, khí)","<strong>B.<\/strong> \u0110\u1ed9 tan trong n\u01b0\u1edbc","<strong>C.<\/strong> Màu s\u1eafc","<strong>D.<\/strong> Thành ph\u1ea7n nguyên t\u1ed1"],"correct":"4","level":"2","hint":"<p>D\u1ef1a vào \u0111\u1ecbnh ngh\u0129a c\u1ee7a h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1.<\/p>","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>D. Thành ph\u1ea7n nguyên t\u1ed1<\/strong><\/span><\/p><p><strong>Thành ph\u1ea7n nguyên t\u1ed1<\/strong> là y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 xác \u0111\u1ecbnh m\u1ed9t ch\u1ea5t là h\u1eefu c\u01a1 hay vô c\u01a1, vì s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a carbon và hydrogen th\u01b0\u1eddng xác \u0111\u1ecbnh ch\u1ea5t h\u1eefu c\u01a1.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-10-23 04:35:23","option_type":"txt","len":2}]}