{"common":{"save":0,"post_id":"9215","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9717","post_id":"9215","mon_id":"1159539","chapter_id":"1159897","question":"<p>Trong quá trình s\u1ea1c pin cho \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, dòng \u0111i\u1ec7n có các tác d\u1ee5ng nào sau \u0111ây?<\/p>","options":["A. Tác d\u1ee5ng nhi\u1ec7t","B. Tác d\u1ee5ng t\u1eeb","C. Tác d\u1ee5ng hóa h\u1ecdc","D. C\u1ea3 A và C"],"correct":"4","level":"2","hint":"<p>S\u1ea1c pin liên quan \u0111\u1ebfn chuy\u1ec3n hóa n\u0103ng l\u01b0\u1ee3ng và ph\u1ea3n \u1ee9ng hóa h\u1ecdc.<\/p>","answer":"<p data-end=\"714\" data-start=\"465\"><strong data-end=\"575\" data-start=\"543\">\u0110áp án \u0111úng là: D. C\u1ea3 A và C<\/strong><br data-end=\"578\" data-start=\"575\" \/><strong data-end=\"593\" data-start=\"578\">Gi\u1ea3i thích:<\/strong><\/p><p data-end=\"714\" data-start=\"465\">Khi s\u1ea1c pin, dòng \u0111i\u1ec7n gây ra ph\u1ea3n \u1ee9ng hóa h\u1ecdc trong pin (tác d\u1ee5ng hóa h\u1ecdc) và có th\u1ec3 làm pin nóng lên (tác d\u1ee5ng nhi\u1ec7t).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-10 12:34:03","option_type":"txt","len":2},{"id":"9718","post_id":"9215","mon_id":"1159539","chapter_id":"1159897","question":"<p>Dòng \u0111i\u1ec7n có th\u1ec3 gây co gi\u1eadt c\u01a1 b\u1eafp khi:<\/p>","options":["A. Ch\u1ea1y qua dây d\u1eabn kim lo\u1ea1i","B. Ch\u1ea1y qua c\u01a1 th\u1ec3 ng\u01b0\u1eddi ho\u1eb7c \u0111\u1ed9ng v\u1eadt","C. Ch\u1ea1y qua bóng \u0111èn","D. Ch\u1ea1y qua máy s\u01b0\u1edfi"],"correct":"2","level":"2","hint":"<p>Liên quan \u0111\u1ebfn tác d\u1ee5ng sinh lý c\u1ee7a dòng \u0111i\u1ec7n.<\/p>","answer":"<p data-end=\"1108\" data-start=\"897\"><strong data-end=\"1014\" data-start=\"956\">\u0110áp án \u0111úng là: B. Ch\u1ea1y qua c\u01a1 th\u1ec3 ng\u01b0\u1eddi ho\u1eb7c \u0111\u1ed9ng v\u1eadt<\/strong><br data-end=\"1017\" data-start=\"1014\" \/><strong data-end=\"1032\" data-start=\"1017\">Gi\u1ea3i thích:<\/strong><\/p><p data-end=\"1108\" data-start=\"897\">Dòng \u0111i\u1ec7n \u0111i qua c\u01a1 th\u1ec3 có th\u1ec3 kích thích th\u1ea7n kinh và c\u01a1 b\u1eafp, gây co gi\u1eadt.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-10 12:35:01","option_type":"txt","len":2},{"id":"9719","post_id":"9215","mon_id":"1159539","chapter_id":"1159897","question":"<p>Trong thí nghi\u1ec7m \u0111i\u1ec7n phân dung d\u1ecbch mu\u1ed1i \u0111\u1ed3ng sunfat (CuSO\u2084), hi\u1ec7n t\u01b0\u1ee3ng nào x\u1ea3y ra t\u1ea1i c\u1ef1c âm?<\/p>","options":["A. Phát ra khí oxi","B. Xu\u1ea5t hi\u1ec7n màu \u0111\u1ecf c\u1ee7a \u0111\u1ed3ng","C. S\u1ee7i b\u1ecdt khí hydro","D. Không có hi\u1ec7n t\u01b0\u1ee3ng gì"],"correct":"2","level":"2","hint":"<p>Liên quan \u0111\u1ebfn tác d\u1ee5ng hóa h\u1ecdc c\u1ee7a dòng \u0111i\u1ec7n.<\/p>","answer":"<p><strong data-end=\"1439\" data-start=\"1391\">\u0110áp án \u0111úng là: B. Xu\u1ea5t hi\u1ec7n màu \u0111\u1ecf c\u1ee7a \u0111\u1ed3ng<\/strong><br data-end=\"1442\" data-start=\"1439\" \/><strong data-end=\"1457\" data-start=\"1442\">Gi\u1ea3i thích:<\/strong><\/p><p>Ion Cu²\u207a nh\u1eadn electron t\u1ea1i c\u1ef1c âm, t\u1ea1o thành kim lo\u1ea1i \u0111\u1ed3ng bám vào \u0111i\u1ec7n c\u1ef1c, có màu \u0111\u1ecf.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"0","date":"2025-05-10 12:37:05","option_type":"txt","len":2}]}