{"common":{"save":0,"post_id":"7822","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7774","post_id":"7822","mon_id":"1159533","chapter_id":"1159546","question":"<p>Cho thanh \u0111\u1ed3ng vào dung d\u1ecbch mu\u1ed1i X không màu, th\u1ea5y dung d\u1ecbch xu\u1ea5t hi\u1ec7n màu xanh và có kim lo\u1ea1i m\u1edbi t\u1ea1o thành bám trên thanh \u0111\u1ed3ng. Mu\u1ed1i X có th\u1ec3 là ch\u1ea5t nào sau \u0111ây?<\/p>","options":["<strong>A.<\/strong> NaCl ","<strong>B.<\/strong> AlCl<span class=\"math-tex\">$_{3}$<\/span> ","<strong>C.<\/strong> Zn(NO<span class=\"math-tex\">$_{3}$<\/span>)<span class=\"math-tex\">$_{2}$<\/span> ","<strong>D.<\/strong> AgNO<span class=\"math-tex\">$_{3}$<\/span>"],"correct":"4","level":"2","hint":"<p>D\u1ef1a vào m\u1ee9c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng hóa h\u1ecdc c\u1ee7a kim lo\u1ea1i<\/p>","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>D. AgNO<span class=\"math-tex\">$_{3}$<\/span><\/strong><\/span><\/p><p>- Mu\u1ed1i X có th\u1ec3 là AgNO<span class=\"math-tex\">$_{3}$<\/span> do Cu m\u1ea1nh h\u01a1n b\u1ea1c nên \u0111\u1ea9y \u0111\u01b0\u1ee3c b\u1ea1c ra kh\u1ecfi dung d\u1ecbch mu\u1ed1i.<\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"127","test":"0","date":"2024-10-13 15:57:44","option_type":"math","len":0},{"id":"7775","post_id":"7822","mon_id":"1159533","chapter_id":"1159546","question":"<p>Cho m\u1ed9t thanh kim lo\u1ea1i Y vào dung d\u1ecbch mu\u1ed1i CuSO<span class=\"math-tex\">$_{4}$<\/span> (có màu xanh). Sau m\u1ed9t th\u1eddi gian th\u1ea5y màu xanh nh\u1ea1t d\u1ea7n và có v\u1ea9y \u0111\u1ed3ng bám trên thanh kim lo\u1ea1i Y. Y có th\u1ec3 là kim lo\u1ea1i nào sau \u0111ây?<br \/> <\/p>","options":["<strong>A.<\/strong> Cu","<strong>B.<\/strong> Zn ","<strong>C.<\/strong> Ag","<strong>D.<\/strong> Ca"],"correct":"2","level":"2","hint":"<p>- D\u1ef1a vào m\u1ee9c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng hóa h\u1ecdc c\u1ee7a kim lo\u1ea1i<\/p>","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>B. Zn<\/strong><\/span><\/p><p>Zn m\u1ea1nh h\u01a1n \u0111\u1ed3ng nên \u0111\u1ea9y \u0111\u01b0\u1ee3c \u0111\u1ed3ng ra kh\u1ecfi dung d\u1ecbch CuSO<span class=\"math-tex\">$_{4}$<\/span><\/p>","type":"choose","extra_type":"sheep","time":"0","user_id":"127","test":"0","date":"2024-10-13 16:00:51","option_type":"txt","len":0},{"id":"7776","post_id":"7822","mon_id":"1159533","chapter_id":"1159546","question":"<p>\u0110\u1ec3 làm s\u1ea1ch dung d\u1ecbch copper(II) nitrate có l\u1eabn silver nitrate, có th\u1ec3 dùng kim lo\u1ea1i nào sau \u0111ây?<\/p>","options":["<strong>A.<\/strong> Au","<strong>B.<\/strong> Ag","<strong>C. <\/strong>Cu","<strong>D.<\/strong> Fe"],"correct":"3","level":"2","hint":"<p>- D\u1ef1a vào m\u1ee9c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng hóa h\u1ecdc c\u1ee7a kim lo\u1ea1i<\/p>","answer":"<p>\u0110áp án \u0111úng: <strong>C. Cu<\/strong><\/p><p>Có th\u1ec3 dùng Cu \u0111\u1ec3 làm s\u1ea1ch dung d\u1ecbch copper(II) nitrate có l\u1eabn silver nitrate, vì Cu \u0111\u1ea9y \u0111\u01b0\u1ee3c Ag ra kh\u1ecfi mu\u1ed1i.<\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"127","test":"0","date":"2024-10-13 16:02:58","option_type":"txt","len":0}]}