{"common":{"save":0,"post_id":"8593","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7823","mon_id":"1158798","chapter_id":"1158856","post_id":"8593","question":"<p data-pm-slice=\"0 0 []\">Trong ph\u1ea3n \u1ee9ng nào d\u01b0\u1edbi \u0111ây HCl th\u1ec3 hi\u1ec7n tính oxi hoá?<\/p>","options":["A. HCl+ AgNO3→ AgCl+ HNO3","B. 2HCl + Mg→ MgCl2+ H2","C. 8HCl + Fe3O4 →FeCl2 +2 FeCl3 +4H2O","D. 4HCl + MnO2→ MnCl2+ Cl2 + 2H2O"],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng:<strong> B. 2HCl + Mg→ MgCl2+ H2<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-06 10:49:10","option_type":"txt","len":2},{"id":"7824","mon_id":"1158798","chapter_id":"1158856","post_id":"8593","question":"<p data-pm-slice=\"0 0 []\">Trong ph\u1ea3n \u1ee9ng: 2HCl + Mg→ MgCl2+ H2. Kim lo\u1ea1i Mg th\u1ec3 hi\u1ec7n tính ch\u1ea5t gì?<\/p>","options":["A. Tính oxi hóa","B. Tính kh\u1eed","C. Tính l\u01b0\u1ee1ng tính","D. Tính phi kim"],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>B. Tính kh\u1eed<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-06 10:50:22","option_type":"txt","len":2},{"id":"7825","mon_id":"1158798","chapter_id":"1158856","post_id":"8593","question":"<p data-pm-slice=\"0 0 []\">Trong các ch\u1ea5t MnO2 , KMnO4 s\u1ed1 oxi hóa c\u1ee7a Mn l\u1ea7n l\u01b0\u1ee3t là:<\/p>","options":["A. +2, +7","B. +4, +7","C. -4, -7","D. +2, +5"],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>B. +4, +7<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-03-06 10:51:36","option_type":"txt","len":0}]}
