{"common":{"save":0,"post_id":"4975","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9700","post_id":"4975","mon_id":"1158149","chapter_id":"1158247","question":"<p>\u1ede \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, oxygen \u1edf th\u1ec3 n&agrave;o?<\/p>","options":["<strong>A.<\/strong> Th\u1ec3 l\u1ecfng ","<strong>B. <\/strong>Th\u1ec3 kh&iacute;","<strong>C.<\/strong> Th\u1ec3 r\u1eafn"],"correct":"2","level":"1","hint":"","answer":"<p>\u1ede \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, oxygen \u1edf th\u1ec3 kh&iacute;.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\"><strong>B. Th\u1ec3 kh&iacute;<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"1","date":"2021-10-19 12:42:57","option_type":"txt","len":0},{"id":"9701","post_id":"4975","mon_id":"1158149","chapter_id":"1158247","question":"<p>Kh&iacute; Oxi chi\u1ebfm bao nhi&ecirc;u ph\u1ea7n tr\u0103m th\u1ec3 t&iacute;ch kh&ocirc;ng kh&iacute;?<br \/>&nbsp;<\/p>","options":["<strong>A. <\/strong>20% ","<strong>B.<\/strong> 21%","<strong>C.<\/strong> 22%"],"correct":"2","level":"1","hint":"","answer":"<p>Kh&iacute; Oxi chi\u1ebfm 21%&nbsp;th\u1ec3 t&iacute;ch kh&ocirc;ng kh&iacute;.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\"><strong>B. 21%<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-19 12:44:24","option_type":"txt","len":1},{"id":"9703","post_id":"4975","mon_id":"1158149","chapter_id":"1158247","question":"<p>Kh&iacute; n&agrave;o c&oacute; ph\u1ea7n tr\u0103m th\u1ec3 t&iacute;ch l\u1edbn nh\u1ea5t trong kh&ocirc;ng kh&iacute;?<br \/>&nbsp;<\/p>","options":["<strong>A. <\/strong>Kh&iacute; nit\u01a1 ","<strong>B.<\/strong> Kh&iacute; oxi","<strong>C.<\/strong> Kh&iacute; cacbonic"],"correct":"1","level":"1","hint":"","answer":"<p>Kh&iacute; Nit\u01a1&nbsp;c&oacute; ph\u1ea7n tr\u0103m th\u1ec3 t&iacute;ch l\u1edbn nh\u1ea5t trong kh&ocirc;ng kh&iacute; (chi\u1ebfm 78% th\u1ec3 t&iacute;ch kh&ocirc;ng kh&iacute;).<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave; <span style=\"color:#16a085;\"><strong>A. Kh&iacute; Nit\u01a1<\/strong><\/span><br \/>&nbsp;<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2021-10-19 12:46:08","option_type":"txt","len":2}]}