{"common":{"save":0,"post_id":"9936","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10036","mon_id":"1160214","chapter_id":"1160224","post_id":"9936","question":"<p>Trong n\u01b0\u1edbc bi\u1ec3n có ch\u1ee9a nhi\u1ec1u ch\u1ea5t gì?<\/p>","options":["A. Ch\u1ea5t r\u1eafn không hòa tan.","B. Ch\u1ea5t h\u1eefu c\u01a1 và d\u1ea7u m\u1ecf.","C. Mu\u1ed1i khoáng và các ch\u1ea5t hòa tan.","D. Bùn \u0111\u1ea5t t\u1eeb l\u1ee5c \u0111\u1ecba."],"correct":"3","level":"1","hint":"<p>Ch\u1ea5t này làm cho n\u01b0\u1edbc bi\u1ec3n có v\u1ecb m\u1eb7n \u0111\u1eb7c tr\u01b0ng.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>C. Mu\u1ed1i khoáng và các ch\u1ea5t hòa tan.<\/strong><\/span><br \/>N\u01b0\u1edbc bi\u1ec3n ch\u1ee9a nhi\u1ec1u mu\u1ed1i khoáng hòa tan, ch\u1ee7 y\u1ebfu là natri clorua, t\u1ea1o nên \u0111\u1ed9 m\u1eb7n c\u1ee7a n\u01b0\u1edbc bi\u1ec3n.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 16:58:47","option_type":"txt","len":3},{"id":"10037","mon_id":"1160214","chapter_id":"1160224","post_id":"9936","question":"<p>\u0110\u1ed9 mu\u1ed1i trung bình c\u1ee7a n\u01b0\u1edbc bi\u1ec3n là bao nhiêu?<\/p>","options":["A. 3‰.","B. 35‰.","C. 350‰.","D. 0,35‰."],"correct":"2","level":"1","hint":"<p>\u0110ây là con s\u1ed1 tiêu chu\u1ea9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c dùng \u0111\u1ec3 so sánh.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>B. 35‰.<\/strong><\/span><br \/>\u0110\u1ed9 mu\u1ed1i trung bình c\u1ee7a n\u01b0\u1edbc bi\u1ec3n là 35 ph\u1ea7n nghìn, t\u1ee9c 35g mu\u1ed1i trong m\u1ed7i lít n\u01b0\u1edbc bi\u1ec3n.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 17:00:10","option_type":"txt","len":2},{"id":"10038","mon_id":"1160214","chapter_id":"1160224","post_id":"9936","question":"<p>Nhi\u1ec7t \u0111\u1ed9 trung bình c\u1ee7a bi\u1ec3n và \u0111\u1ea1i d\u01b0\u01a1ng là bao nhiêu?<\/p>","options":["A. 7°C.","B. 17°C.","C. 27°C.","D. 37°C."],"correct":"2","level":"1","hint":"<p>\u0110ây là giá tr\u1ecb nhi\u1ec7t \u0111\u1ed9 trung bình toàn c\u1ea7u c\u1ee7a bi\u1ec3n.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <span style=\"color:#16a085;\"><strong>B. 17°C.<\/strong><\/span><br \/>Nhi\u1ec7t \u0111\u1ed9 bi\u1ec3n và \u0111\u1ea1i d\u01b0\u01a1ng trung bình kho\u1ea3ng 17°C, do \u1ea3nh h\u01b0\u1edfng c\u1ee7a v\u1ecb trí \u0111\u1ecba lý, dòng bi\u1ec3n và b\u1ee9c x\u1ea1 M\u1eb7t Tr\u1eddi.<\/p>","type":"choose","extra_type":"classic","user_id":"129","test":"0","date":"2025-08-14 17:01:28","option_type":"txt","len":1}]}
