{"common":{"save":0,"post_id":"5091","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10717","post_id":"5091","mon_id":"1158149","chapter_id":"1158249","question":"<p>H\u1ed7n h\u1ee3p nào sau \u0111ây là huy\u1ec1n phù?<\/p>","options":["M\u1ef1c tàu","S\u1eefa t\u01b0\u01a1i","N\u01b0\u1edbc c\u1ea5t","S\u1eefa Magie"],"correct":"[\"1\",\"4\"]","level":"3","hint":"","answer":"<p>Các h\u1ed7n h\u1ee3p là huy\u1ec1n phù g\u1ed3m m\u1ef1c tàu và s\u1eefa magie.<\/p><p>Các h\u1ed7n h\u1ee3p không ph\u1ea3i là huy\u1ec1n phù g\u1ed3m s\u1eefa t\u01b0\u01a1i (là nh\u0169 t\u01b0\u01a1ng) và n\u01b0\u1edbc c\u1ea5t (không ph\u1ea3i h\u1ed7n h\u1ee3p mà là ch\u1ea5t tinh khi\u1ebft).<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong> M\u1ef1c tàu và S\u1eefa Magie<\/strong><\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"1","date":"2021-11-01 13:53:28","option_type":"txt","len":1},{"id":"10719","post_id":"5091","mon_id":"1158149","chapter_id":"1158249","question":"<p>\u0110\u1ec3 phân bi\u1ec7t ch\u1ea5t tinh khi\u1ebft và h\u1ed7n h\u1ee3p ta d\u1ef1a vào<\/p>","options":["<strong>A. <\/strong>màu s\u1eafc c\u1ee7a ch\u1ea5t.","<strong>B. <\/strong>tr\u1ea1ng thái c\u1ee7a ch\u1ea5t.","<strong>C. <\/strong>tính tan c\u1ee7a ch\u1ea5t.","<strong>D.<\/strong> s\u1ed1 ch\u1ea5t t\u1ea1o nên."],"correct":"4","level":"3","hint":"","answer":"<p>\u0110\u1ec3 phân bi\u1ec7t ch\u1ea5t tinh khi\u1ebft và h\u1ed7n h\u1ee3p ta d\u1ef1a vào s\u1ed1 ch\u1ea5t t\u1ea1o nên.<\/p><p>(Ch\u1ea5t tinh khi\u1ebft ch\u1ec9 g\u1ed3m m\u1ed9t ch\u1ea5t, h\u1ed7n h\u1ee3p g\u1ed3m t\u1eeb hai ch\u1ea5t tr\u1edf lên.)<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>D.<\/strong> s\u1ed1 ch\u1ea5t t\u1ea1o nên.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-11-01 14:01:39","option_type":"txt","len":2},{"id":"10722","post_id":"5091","mon_id":"1158149","chapter_id":"1158249","question":"<p>Trong n\u01b0\u1edbc bi\u1ec3n có hòa tan nhi\u1ec1u mu\u1ed1i, trung bình c\u1ee9 100 g n\u01b0\u1edbc bi\u1ec3n có 3,5 g mu\u1ed1i \u0103n tan. H\u1ecfi mu\u1ed1n thu \u0111\u01b0\u1ee3c 14 kg mu\u1ed1i \u0103n c\u1ea7n bao nhiêu t\u1ea5n n\u01b0\u1edbc bi\u1ec3n?<\/p><p>\u0110áp s\u1ed1 <span style=\"color:#3498db;\"><strong>S\u1ed1 t\u1ea5n n\u01b0\u1edbc bi\u1ec3n c\u1ea7n là <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> t\u1ea5n.<\/strong><\/span><\/p>","options":"","correct":["[\"0,4\"]"],"level":"3","hint":"","answer":"<p>\u0110\u1ed5i 14 kg = 14 000 g<br \/>S\u1ed1 gam n\u01b0\u1edbc bi\u1ec3n c\u1ea7n \u0111\u1ec3 thu \u0111\u01b0\u1ee3c 14 kg mu\u1ed1i \u0103n là<br \/><span class=\"math-tex\">$\\dfrac{14000 . 100}{3,5}$<\/span> = 400 000 g<br \/>\u0110\u1ed5i 400 000 g = 0,4 t\u1ea5n (vì 1 t\u1ea5n = 1 000 000 g)<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong> 0,4<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2021-11-01 14:06:23"}]}
