{"common":{"save":0,"post_id":"10027","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8897","post_id":"10027","mon_id":"1160346","chapter_id":"1158865","question":"<p data-pm-slice=\"0 0 []\">Xà phòng là h\u1ed7n h\u1ee3p g\u1ed3m:<\/p>","options":["A. Các mu\u1ed1i sodium ho\u1eb7c potassium c\u1ee7a acid béo và m\u1ed9t s\u1ed1 ch\u1ea5t ph\u1ee5 gia.","B. Các mu\u1ed1i sodium ho\u1eb7c potassium c\u1ee7a acid no.","C. Các mu\u1ed1i no c\u1ee7a acid béo và m\u1ed9t s\u1ed1 ch\u1ea5t ph\u1ee5 gia. ","D. Các ch\u1ea5t ph\u1ee5 gia"],"correct":"1","level":"3","hint":"<p>Hãy nh\u1edb: xà phòng \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb ph\u1ea3n \u1ee9ng xà phòng hóa ch\u1ea5t béo → mu\u1ed1i Na\u207a\/K\u207a c\u1ee7a acid béo, th\u01b0\u1eddng có thêm ch\u1ea5t ph\u1ee5 gia.<\/p>","answer":"<p>\u0110áp án: <span style=\"color:#16a085;\"><strong>A. Các mu\u1ed1i sodium ho\u1eb7c potassium c\u1ee7a acid béo và m\u1ed9t s\u1ed1 ch\u1ea5t ph\u1ee5 gia.<\/strong><\/span><\/p><p>Gi\u1ea3i thích: Xà phòng là h\u1ed7n h\u1ee3p mu\u1ed1i Na\/K c\u1ee7a acid béo (nh\u01b0 natri stearat, natri oleat…), thêm ph\u1ee5 gia (h\u01b0\u01a1ng li\u1ec7u, màu, ch\u1ea5t làm c\u1ee9ng…) \u0111\u1ec3 s\u1eed d\u1ee5ng ti\u1ec7n l\u1ee3i h\u01a1n<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-08 23:40:42","option_type":"txt","len":3},{"id":"8898","post_id":"10027","mon_id":"1160346","chapter_id":"1158865","question":"<p data-pm-slice=\"0 0 []\">Ch\u1ea5t ph\u1ee5 gia th\u01b0\u1eddng dùng \u0111\u1ec3 s\u1ea3n xu\u1ea5t xà phòng là gì?<\/p>","options":["A. Ch\u1ea5t bôi tr\u01a1n","B. Ch\u1ea5t \u0111\u1ed9n, ch\u1ea5t t\u1ea1o màu và ch\u1ea5t t\u1ea1o h\u01b0\u01a1ng","C. Ch\u1ea5t t\u1ea1o b\u1ecdt ","D. Ch\u1ea5t t\u1ea9y r\u1eeda."],"correct":"2","level":"3","hint":"<p>Ngoài mu\u1ed1i natri ho\u1eb7c kali c\u1ee7a acid béo, xà phòng th\u01b0\u1eddng có thêm ph\u1ee5 gia \u0111\u1ec3 t\u1ea1o màu s\u1eafc, mùi th\u01a1m, giúp s\u1ea3n ph\u1ea9m h\u1ea5p d\u1eabn h\u01a1n.<\/p>","answer":"<p>\u0110áp án:<span style=\"color:#16a085;\"> <strong>B. Ch\u1ea5t \u0111\u1ed9n, ch\u1ea5t t\u1ea1o màu và ch\u1ea5t t\u1ea1o h\u01b0\u01a1ng<\/strong><\/span><\/p><p>Gi\u1ea3i thích: Trong s\u1ea3n xu\u1ea5t xà phòng, ng\u01b0\u1eddi ta thêm <strong data-end=\"362\" data-start=\"302\">ch\u1ea5t \u0111\u1ed9n (Na\u2082CO\u2083, Na\u2082SO\u2084…), ch\u1ea5t t\u1ea1o màu, ch\u1ea5t t\u1ea1o h\u01b0\u01a1ng<\/strong> \u0111\u1ec3 t\u0103ng tính ti\u1ec7n d\u1ee5ng và th\u1ea9m m\u1ef9 cho s\u1ea3n ph\u1ea9m.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-08 23:41:10","option_type":"txt","len":3},{"id":"8899","post_id":"10027","mon_id":"1160346","chapter_id":"1158865","question":"<p data-pm-slice=\"0 0 []\">Mu\u1ed1i c\u1ee7a acid béo (có trong xà phòng) \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o g\u1ed3m nh\u1eefng ph\u1ea7n nào?<\/p>","options":["A. M\u1ed9t ph\u1ea7n \u01b0a sáng n\u1ed1i v\u1edbi m\u1ed9t ph\u1ea7n k\u1ecb n\u01b0\u1edbc.","B. M\u1ed9t ph\u1ea7n \u01b0a sáng n\u1ed1i v\u1edbi m\u1ed9t ph\u1ea7n \u01b0a n\u01b0\u1edbc","C. M\u1ed9t ph\u1ea7n \u01b0a n\u01b0\u1edbc n\u1ed1i v\u1edbi m\u1ed9t ph\u1ea7n k\u1ecb n\u01b0\u1edbc. ","D. M\u1ed9t ph\u1ea7n \u01b0a sáng n\u1ed1i v\u1edbi m\u1ed9t ph\u1ea7n \u01b0a t\u1ed1i"],"correct":"3","level":"3","hint":"<p>Hãy nh\u1edb: mu\u1ed1i c\u1ee7a acid béo có c\u1ea5u t\u1ea1o l\u01b0\u1ee1ng c\u1ef1c — m\u1ed9t \u0111\u1ea7u tan trong n\u01b0\u1edbc, m\u1ed9t \u0111uôi tan trong d\u1ea7u m\u1ee1.<\/p>","answer":"<p>\u0110áp án: <span style=\"color:#16a085;\"><strong>C. M\u1ed9t ph\u1ea7n \u01b0a n\u01b0\u1edbc n\u1ed1i v\u1edbi m\u1ed9t ph\u1ea7n k\u1ecb n\u01b0\u1edbc.<\/strong><\/span><\/p><p data-end=\"275\" data-start=\"165\">Gi\u1ea3i thích: Trong mu\u1ed1i c\u1ee7a acid béo (R–COONa):<\/p><ul data-end=\"439\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"276\"> <li data-end=\"317\" data-start=\"276\"><p data-end=\"317\" data-start=\"278\">Nhóm <strong data-end=\"295\" data-start=\"283\">–COO\u207bNa\u207a<\/strong>: phân c\u1ef1c, \u01b0a n\u01b0\u1edbc.<\/p><\/li> <li data-end=\"439\" data-is-last-node=\"\" data-start=\"318\"><p data-end=\"439\" data-is-last-node=\"\" data-start=\"320\">G\u1ed1c <strong data-end=\"353\" data-start=\"324\">R– (hidrocacbon m\u1ea1ch dài)<\/strong>: không phân c\u1ef1c, k\u1ecb n\u01b0\u1edbc.<br data-end=\"382\" data-start=\"379\" \/> Nh\u1edd c\u1ea5u t\u1ea1o này, xà phòng có kh\u1ea3 n\u0103ng nh\u0169 hóa và t\u1ea9y r\u1eeda.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-08 23:41:45","option_type":"txt","len":3}]}