{"save":1,"level":1,"time":"50","total":40,"point":5,"segment":[{"id":"4324","test_id":"513","question":"<p>Bi\u1ebft nhi\u1ec7t \u0111\u1ed9 n&oacute;ng ch\u1ea3y ri&ecirc;ng&nbsp;c\u1ee7a n\u01b0\u1edbc&nbsp;\u0111&aacute; b\u1eb1ng&nbsp;<span class=\"math-tex\">$334.10^3$<\/span>&nbsp;J\/kg. Nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n cung c\u1ea5p \u0111\u1ec3 l&agrave;m n&oacute;ng ch\u1ea3y ho&agrave;n to&agrave;n 100 g n\u01b0\u1edbc \u0111&aacute; \u1edf 0&deg;C&nbsp;l&agrave;<\/p>","options":["<strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$334.10^6$<\/span>&nbsp;J","<strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$334.10^3$<\/span>&nbsp;J","<strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$33,4.10^3$<\/span>&nbsp;J","<strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$33,4.10^6$<\/span>&nbsp;J"],"correct":"3","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$33,4.10^3$<\/span>&nbsp;J.<\/span><\/p><p><span class=\"math-tex\">$Q=m\\lambda=0,1.334.10^4=33,4.10^3$<\/span>&nbsp;J.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-06-02 14:44:19"},{"id":"4325","test_id":"513","question":"<p>Qu&aacute; tr&igrave;nh chuy\u1ec3n t\u1eeb th\u1ec3 r\u1eafn sang th\u1ec3 kh&iacute; g\u1ecdi l&agrave; qu&aacute; tr&igrave;nh<\/p>","options":["<strong>A.<\/strong> ng\u01b0ng t\u1ee5","<strong>B.<\/strong> th\u0103ng hoa","<strong>C.<\/strong> \u0111&ocirc;ng \u0111\u1eb7c","<strong>D.<\/strong> n&oacute;ng ch\u1ea3y"],"correct":"2","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> th\u0103ng hoa.<\/span><\/p>","type":"choose","user_id":"131","test":"1","date":"2025-06-02 14:45:51"}]}