{"common":{"save":0,"post_id":"8967","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6755","post_id":"8967","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">Trong ph\u1ea3n \u1ee9ng nào sau \u0111ây, nitrogen th\u1ec3 hi\u1ec7n tính kh\u1eed ?<\/p>","options":["A. N2 + 3H2 → 2NH3","B. N2 + 6Li → 2Li3N","C. N2 + O2 → 2NO","D. N2 + 3Mg → Mg3N2"],"correct":"3","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>C. N2 + O2 → 2NO<\/strong><\/p><p data-end=\"810\" data-start=\"792\">N\u2082: s\u1ed1 oxi hóa 0<\/p><p data-end=\"887\" data-start=\"813\">Trong NO: N là +2<br data-end=\"833\" data-start=\"830\" \/>→ N\u2082 <strong data-end=\"852\" data-start=\"838\">b\u1ecb oxi hóa<\/strong> (0 → +2) ⇒ <strong data-end=\"885\" data-start=\"864\">th\u1ec3 hi\u1ec7n tính kh\u1eed<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-21 08:46:22","option_type":"txt","len":2},{"id":"6756","post_id":"8967","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">\u1ee8ng d\u1ee5ng nào sau \u0111ây không ph\u1ea3i c\u1ee7a nitrogen?<\/p>","options":["A. Làm môi tr\u01b0\u1eddng tr\u01a1 trong m\u1ed9t s\u1ed1 ngành công nghi\u1ec7p.","B. B\u1ea3o qu\u1ea3n máu và các m\u1eabu v\u1eadt sinh h\u1ecdc.","C. S\u1ea3n xu\u1ea5t Nitric acid.","D. S\u1ea3n xu\u1ea5t phân lân."],"correct":"4","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>D. S\u1ea3n xu\u1ea5t phân lân.<\/strong><\/p><p data-end=\"1060\" data-start=\"829\">Phân lân (ví d\u1ee5: supe lân, lân nung ch\u1ea3y) \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb <strong data-end=\"922\" data-start=\"900\">qu\u1eb7ng photphat (P)<\/strong>, <strong data-end=\"947\" data-start=\"924\">không dùng nitrogen<\/strong> trong quá trình này.<br data-end=\"971\" data-start=\"968\" \/>→ Nitrogen ch\u1ee7 y\u1ebfu dùng \u0111\u1ec3 s\u1ea3n xu\u1ea5t <strong data-end=\"1019\" data-start=\"1007\">phân \u0111\u1ea1m<\/strong> (NH\u2084NO\u2083, urê…), <strong data-end=\"1059\" data-start=\"1036\">không ph\u1ea3i phân lân<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-21 08:47:10","option_type":"txt","len":3},{"id":"6757","post_id":"8967","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">Khí nitrogen có th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o thành b\u1eb1ng ph\u1ea3n \u1ee9ng hoá h\u1ecdc nào sau \u0111ây ?<\/p>","options":["A. Nhi\u1ec7t phân NH4NO2","B. Nhi\u1ec7t phân AgNO3","C. Nhi\u1ec7t phân NH4NO3","D. \u0110\u1ed1t cháy NH3 trong oxi khi có m\u1eb7t ch\u1ea5t xúc tác Pt"],"correct":"1","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>A. Nhi\u1ec7t phân NH4NO2<\/strong><\/p><p>\u0110ây là ph\u1ea3n \u1ee9ng th\u01b0\u1eddng dùng trong phòng thí nghi\u1ec7m \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf <strong data-end=\"337\" data-start=\"310\">khí nitrogen tinh khi\u1ebft<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-21 08:48:13","option_type":"txt","len":3}]}
