{"common":{"save":0,"post_id":"6376","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10074","post_id":"6376","mon_id":"1158852","chapter_id":"1158853","question":"<p>S\u1eafp x\u1ebfp các b\u01b0\u1edbc d\u01b0\u1edbi \u0111ây \u0111\u1ec3 mô t\u1ea3 \u0111úng ti\u1ebfn trình nghiên c\u1ee9u khoa h\u1ecdc t\u1ef1 nhiên<br \/><span style=\"color:#2980b9;\">1- \u0110\u01b0a ra d\u1ef1 \u0111oán khoa h\u1ecdc \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<br \/>2- Vi\u1ebft báo cáo. Th\u1ea3o lu\u1eadn và trình bày báo cáo<br \/>3- L\u1eadp k\u1ebf ho\u1ea1ch ki\u1ec3m tra d\u1ef1 \u0111oán<br \/>4- \u0110\u1ec1 xu\u1ea5t v\u1ea5n \u0111\u1ec1 c\u1ea7n tìm hi\u1ec3u<br \/>5- Th\u1ef1c hi\u1ec7n k\u1ebf ho\u1ea1ch ki\u1ec3m tra d\u1ef1 \u0111oán<\/span><\/p>","options":["<strong>A<\/strong>. 1, 2, 3, 4, 5.","<strong>B<\/strong>. 4, 3, 1, 5, 2.","<strong>C<\/strong>. 4, 1, 3, 5, 2."],"correct":"3","level":"1","hint":"","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110áp án \u0111úng: C<\/strong><\/span>. 4, 1, 3, 5, 2.<\/p><p><span style=\"color:#2980b9;\">4- \u0110\u1ec1 xu\u1ea5t v\u1ea5n \u0111\u1ec1 c\u1ea7n tìm hi\u1ec3u<\/span><\/p><p><span style=\"color:#2980b9;\">1- \u0110\u01b0a ra d\u1ef1 \u0111oán khoa h\u1ecdc \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<\/span><\/p><p><span style=\"color:#2980b9;\"><span style=\"color:#2980b9;\">3- L\u1eadp k\u1ebf ho\u1ea1ch ki\u1ec3m tra d\u1ef1 \u0111oán<\/span><\/span><\/p><p><span style=\"color:#2980b9;\"><span style=\"color:#2980b9;\"><span style=\"color:#2980b9;\">5- Th\u1ef1c hi\u1ec7n k\u1ebf ho\u1ea1ch ki\u1ec3m tra d\u1ef1 \u0111oán<\/span><\/span><\/span><\/p><p><span style=\"color:#2980b9;\"><span style=\"color:#2980b9;\"><span style=\"color:#2980b9;\"><\/span><\/span>2- Vi\u1ebft báo cáo. Th\u1ea3o lu\u1eadn và trình bày báo cáo<\/span><br \/><br \/><br \/> <\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"147","test":"0","date":"2022-11-25 09:11:39","option_type":"txt","len":2},{"id":"10075","post_id":"6376","mon_id":"1158852","chapter_id":"1158853","question":"<p>S\u1eafp x\u1ebfp n\u1ed9i dung các thông tin khi nghiên c\u1ee9u s\u1ef1 hòa tan c\u1ee7a m\u1ed9t s\u1ed1 ch\u1ea5t r\u1eafn theo các b\u01b0\u1edbc c\u1ee7a ph\u01b0\u01a1ng pháp tìm hi\u1ec3u t\u1ef1 nhiên:<br \/><span style=\"color:#2980b9;\">1- Tìm hi\u1ec3u kh\u1ea3 n\u0103ng hòa tan c\u1ee7a mu\u1ed1i \u0103n, \u0111\u01b0\u1eddng, \u0111á vôi (d\u1ea1ng b\u1ed9t) trong n\u01b0\u1edbc.<br \/>2- D\u1ef1 \u0111oán trong s\u1ed1 các ch\u1ea5t mu\u1ed1i \u0103n, \u0111\u01b0\u1eddng, \u0111á vôi (d\u1ea1ng b\u1ed9t) ch\u1ea5t nào tan, ch\u1ea5t nào không tan trong n\u01b0\u1edbc?<br \/>3- Th\u1ef1c hi\u1ec7n các b\u01b0\u1edbc thí nghi\u1ec7m: Rót cùng 1 th\u1ec3 tích n\u01b0\u1edbc (kho\u1ea3ng 5ml) vào 3 \u1ed1ng nghi\u1ec7m. Thêm vào m\u1ed7i \u1ed1ng nghi\u1ec7m kho\u1ea3ng 1 gam m\u1ed7i ch\u1ea5t trên và l\u1eafc \u0111\u1ec1u kho\u1ea3ng 1-2 phút. Quan sát và ghi l\u1ea1i k\u1ebft qu\u1ea3 thí nghi\u1ec7m. So sánh và rút ra k\u1ebft lu\u1eadn.<br \/>4- \u0110\u1ec1 xu\u1ea5t thí nghi\u1ec7m \u0111\u1ec3 ki\u1ec3m tra d\u1ef1 \u0111oán (chu\u1ea9n b\u1ecb d\u1ee5ng c\u1ee5, hóa ch\u1ea5t và các b\u01b0\u1edbc thí nghi\u1ec7m).<br \/>5- Vi\u1ebft báo cáo và trình bày quá trình th\u1ef1c nghi\u1ec7m, th\u1ea3o lu\u1eadn k\u1ebft qu\u1ea3 thí nghi\u1ec7m.<\/span><\/p>","options":["<strong>A. <\/strong>1, 2, 3, 4, 5","<strong>B. <\/strong>2, 1, 4, 3, 5"],"correct":"1","level":"1","hint":"","answer":"<p>\u0110áp án \u0111úng:<strong> <span style=\"color:#16a085;\">A.<\/span><\/strong><span style=\"color:#16a085;\"> 1, 2, 3, 4, 5.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"147","test":"0","date":"2022-11-25 09:12:23","option_type":"txt","len":2},{"id":"10076","post_id":"6376","mon_id":"1158852","chapter_id":"1158853","question":"<p>Kh\u1eb3ng \u0111\u1ecbnh nào d\u01b0\u1edbi \u0111ây <u><strong>không \u0111úng<\/strong><\/u>:<\/p>","options":["<strong>A.<\/strong> D\u1ef1 báo là k\u0129 n\u0103ng c\u1ea7n thi\u1ebft trong nghiên c\u1ee9u khoa h\u1ecdc t\u1ef1 nhiên.","<strong>B.<\/strong> D\u1ef1 báo là k\u0129 n\u0103ng không c\u1ea7n thi\u1ebft c\u1ee7a ng\u01b0\u1eddi làm nghiên c\u1ee9u.","<strong>C.<\/strong> D\u1ef1 báo là k\u0129 n\u0103ng d\u1ef1 \u0111oán \u0111i\u1ec1u gì s\u1ebd x\u1ea3y ra d\u1ef1a vào quan sát, ki\u1ebfn th\u1ee9c, suy lu\u1eadn c\u1ee7a con ng\u01b0\u1eddi,… v\u1ec1 các s\u1ef1 v\u1eadt hi\u1ec7n t\u01b0\u1ee3ng.","<strong>D<\/strong>. K\u0129 n\u0103ng d\u1ef1 báo th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong các b\u01b0\u1edbc d\u1ef1 \u0111oán c\u1ee7a ph\u01b0\u01a1ng pháp tìm hi\u1ec3u t\u1ef1 nhiên."],"correct":"2","level":"1","hint":"","answer":"<p><span style=\"color:#27ae60;\"><\/span>Kh\u1eb3ng \u0111\u1ecbnh <strong>không \u0111úng<\/strong> là:<span style=\"color:#27ae60;\"> <\/span><span style=\"color:#e74c3c;\"><strong>B. D\u1ef1 báo là k\u0129 n\u0103ng không c\u1ea7n thi\u1ebft c\u1ee7a ng\u01b0\u1eddi làm nghiên c\u1ee9u.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"147","test":"0","date":"2022-11-25 09:13:30","option_type":"txt","len":3}]}