{"save":1,"level":1,"time":"50","total":40,"point":5,"segment":[{"id":"4323","test_id":"512","question":"<p>Cho nhi\u1ec7t dung riêng c\u1ee7a m\u1ed9t s\u1ed1 ch\u1ea5t \u1edf 0°C \u1edf b\u1ea3ng sau:<\/p><p><span class=\"svgedit\"><svg height=\"170\" width=\"290\"> <g>\\n<title><\/title>\\n<rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"292\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\\n<title><\/title>\\n<g id=\"svg_23\"> <rect fill=\"#d4ffaa\" height=\"33\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"285\" x=\"3\" y=\"101.65\"><\/rect> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"125\">Chì<\/text> <rect fill=\"#ffffaa\" height=\"33\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"285\" x=\"3\" y=\"2.65\"><\/rect> <rect fill=\"#d4ffaa\" height=\"33\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"285\" x=\"3\" y=\"35.65\"><\/rect> <rect fill=\"#d4ffaa\" height=\"33\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\" width=\"285\" x=\"3\" y=\"68.65\"><\/rect> <rect fill=\"#d4ffaa\" height=\"33\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"285\" x=\"3\" y=\"134.65\"><\/rect> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"91\" x2=\"91\" y1=\"2.65\" y2=\"167.65\"><\/line> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" font-weight=\"bold\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"26.65\">Ch\u1ea5t<\/text> <text fill=\"#000000\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" font-weight=\"bold\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"96\" xml:space=\"preserve\" y=\"27\">Nhi\u1ec7t dung riêng (J\/kgK)<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"57.65\">Nhôm<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"171\" xml:space=\"preserve\" y=\"58\">880<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"91\">\u0110\u1ed3ng<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"171\" xml:space=\"preserve\" y=\"91\">380<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"171\" xml:space=\"preserve\" y=\"124\">126<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"157\">N\u01b0\u1edbc \u0111á<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"17\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"167\" xml:space=\"preserve\" y=\"157\">1800<\/text> <\/g> <\/g> <\/svg><\/span><\/p><p>V\u1edbi các v\u1eadt \u0111\u01b0\u1ee3c làm b\u1eb1ng các ch\u1ea5t trên có cùng kh\u1ed1i l\u01b0\u1ee3ng, v\u1eadt \u0111\u01b0\u1ee3c làm b\u1eb1ng ch\u1ea5t nào s\u1ebd nóng nhanh h\u01a1n và ngu\u1ed9i nhanh h\u01a1n so v\u1edbi các v\u1eadt còn l\u1ea1i?<\/p>","options":["<strong>A.<\/strong> Nhôm.","<strong>B.<\/strong> \u0110\u1ed3ng.","<strong>C.<\/strong> Chì.","<strong>D.<\/strong> N\u01b0\u1edbc \u0111á."],"correct":"3","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> Chì.<\/span><\/p><p>V\u1eadt \u0111\u01b0\u1ee3c làm t\u1eeb ch\u1ea5t có nhi\u1ec7t dung riêng nh\u1ecf nh\u1ea5t trong các ch\u1ea5t trên, s\u1ebd nóng nhanh h\u01a1n và ngu\u1ed9i nhanh h\u01a1n so v\u1edbi các v\u1eadt cùng kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c làm b\u1eb1ng các ch\u1ea5t còn l\u1ea1i, \u0111ó là chì.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-06-02 14:43:17"},{"id":"4326","test_id":"512","question":"<p>\u1ede áp su\u1ea5t chu\u1ea9n, nhi\u1ec7t hóa h\u01a1i riêng c\u1ee7a n\u01b0\u1edbc là 2,3.10<sup>6<\/sup> J\/kg. Câu nào d\u01b0\u1edbi \u0111ây là <strong>\u0111úng<\/strong>?<\/p>","options":["<strong>A.<\/strong> M\u1ed9t kilôgam n\u01b0\u1edbc c\u1ea7n thu l\u01b0\u1ee3ng nhi\u1ec7t là 2,3.10<sup>6<\/sup> J \u0111\u1ec3 hóa h\u01a1i hoàn toàn.","<strong>B.<\/strong> M\u1ed9t kilôgam n\u01b0\u1edbc s\u1ebd t\u1ecfa ra l\u01b0\u1ee3ng nhi\u1ec7t là 2,3.10<sup>6<\/sup> J khi hóa h\u01a1i hoàn toàn \u1edf nhi\u1ec7t \u0111\u1ed9 sôi và áp su\u1ea5t b\u1ea5t k\u1ef3.","<strong>C.<\/strong> M\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ea5t k\u1ef3 c\u1ea7n thu l\u01b0\u1ee3ng nhi\u1ec7t là 2,3.10<sup>6<\/sup> J \u0111\u1ec3 hóa h\u01a1i hoàn toàn.","<strong>D.<\/strong> M\u1ed9t kilôgam n\u01b0\u1edbc c\u1ea7n thu l\u01b0\u1ee3ng nhi\u1ec7t là 2,3.10<sup>6<\/sup> J \u0111\u1ec3 hóa h\u01a1i hoàn toàn \u1edf nhi\u1ec7t \u0111\u1ed9 sôi và áp su\u1ea5t chu\u1ea9n."],"correct":"4","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> M\u1ed9t kilôgam n\u01b0\u1edbc c\u1ea7n thu l\u01b0\u1ee3ng nhi\u1ec7t là 2,3.10<sup>6<\/sup> J \u0111\u1ec3 hóa h\u01a1i hoàn toàn \u1edf nhi\u1ec7t \u0111\u1ed9 sôi và áp su\u1ea5t chu\u1ea9n.<\/span><\/p>","type":"choose","user_id":"131","test":"0","date":"2025-06-02 14:48:36"}]}