{"common":{"save":0,"post_id":"9082","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6905","post_id":"9082","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">Trong phòng thí nghi\u1ec7m, ng\u01b0\u1eddi ta có th\u1ec3 \u0111i\u1ec1u ch\u1ebf khí NH3 b\u1eb1ng cách<\/p>","options":["A. cho N2 tác d\u1ee5ng v\u1edbi H2 (450oC, b\u1ed9t s\u1eaft).","B. cho mu\u1ed1i ammonium loãng tác d\u1ee5ng v\u1edbi ki\u1ec1m loãng và \u0111un nóng.","C. cho mu\u1ed1i ammonium \u0111\u1eb7c tác d\u1ee5ng v\u1edbi ki\u1ec1m \u0111\u1eb7c và \u0111un nóng.","D. nhi\u1ec7t phân mu\u1ed1i (NH4)2CO3."],"correct":"3","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng:<strong> C. cho mu\u1ed1i ammonium \u0111\u1eb7c tác d\u1ee5ng v\u1edbi ki\u1ec1m \u0111\u1eb7c và \u0111un nóng.<\/strong><\/p><p>Khi mu\u1ed1i ammonium \u0111\u1eb7c (ví d\u1ee5 NH4Cl) tác d\u1ee5ng v\u1edbi ki\u1ec1m \u0111\u1eb7c (ví d\u1ee5 NaOH) và \u0111un nóng, khí NH3 s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-27 17:27:21","option_type":"txt","len":3},{"id":"6906","post_id":"9082","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">Kim lo\u1ea1i M ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch HCl, dung d\u1ecbch Cu(NO3)2, dung d\u1ecbch HNO3 \u0111\u1eb7c ngu\u1ed9i. Kim lo\u1ea1i M là<\/p>","options":["A. Ag.","B. Zn.","C. Fe. ","D. Al"],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <strong>B. Zn.<\/strong><\/p><p data-end=\"177\" data-start=\"124\"><strong data-end=\"131\" data-start=\"124\">HCl<\/strong>: Zn có th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi HCl \u0111\u1ec3 t\u1ea1o ra khí H2.<\/p><p data-end=\"302\" data-start=\"180\"><strong data-end=\"192\" data-start=\"180\">Cu(NO3)2<\/strong>: Zn có th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi Cu(NO3)2, do Zn m\u1ea1nh h\u01a1n Cu trong dãy \u0111i\u1ec7n hóa, nên Zn s\u1ebd thay th\u1ebf Cu trong h\u1ee3p ch\u1ea5t.<\/p><p data-end=\"399\" data-start=\"305\"><strong data-end=\"323\" data-start=\"305\">HNO3 \u0111\u1eb7c ngu\u1ed9i<\/strong>: Zn có th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi HNO3 \u0111\u1eb7c ngu\u1ed9i, t\u1ea1o thành khí NO2 và mu\u1ed1i Zn(NO3)2.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-27 17:28:08","option_type":"txt","len":0},{"id":"6907","post_id":"9082","mon_id":"1159892","chapter_id":"1159938","question":"<p data-pm-slice=\"0 0 []\">\u1ee8ng d\u1ee5ng nào không ph\u1ea3i c\u1ee7a HNO3?<\/p>","options":["A. S\u1ea3n xu\u1ea5t phân bón.","B. S\u1ea3n xu\u1ea5t thu\u1ed1c n\u1ed5","C. S\u1ea3n xu\u1ea5t khí NO2 và N2H4.","D. S\u1ea3n xu\u1ea5t thu\u1ed1c nhu\u1ed9m."],"correct":"3","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng:<strong> C. S\u1ea3n xu\u1ea5t khí NO2 và N2H4.<\/strong><\/p><p>M\u1eb7c dù HNO3 có th\u1ec3 tham gia vào m\u1ed9t s\u1ed1 ph\u1ea3n \u1ee9ng t\u1ea1o khí NO2, nh\u01b0ng nó không ph\u1ea3i là ph\u01b0\u01a1ng pháp chính \u0111\u1ec3 s\u1ea3n xu\u1ea5t khí NO2 hay N2H4 (hydrazine).<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-27 17:28:54","option_type":"txt","len":2}]}
