Ôn thi tốt nghiệp THPT môn Hoá học - Lớp 12 - Đề tham khảo tốt nghiệp THPT môn Hóa học năm 2025 của Hậu Giang (lần 1)

{"save":1,"level":1,"time":"50","total":40,"point":5,"segment":[{"id":"6085","test_id":"555","question":"<p>Cho bi\u1ebft s\u1ed1 hi\u1ec7u nguy&ecirc;n t\u1eed c\u1ee7a sodium l&agrave; 11. V\u1ecb tr&iacute; c\u1ee7a sodium trong b\u1ea3ng tu\u1ea7n ho&agrave;n l&agrave;<\/p>","options":["<strong>A.<\/strong> chu k&igrave; 3, nh&oacute;m IA.","<strong>B.<\/strong> chu k&igrave; 3, nh&oacute;m IB.","<strong>C.<\/strong> chu k&igrave; 3, nh&oacute;m IIA.","<strong>D.<\/strong> chu k&igrave; 2, nh&oacute;m IIA."],"correct":"1","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> chu k&igrave; 3, nh&oacute;m IA.<\/span><\/p><p>Na (Z = 11): 1s<sup>2<\/sup>2s<sup>2<\/sup>2p<sup>6<\/sup>3s<sup>1<\/sup>.<\/p><p>\u27f6 Na \u1edf chu k&igrave; 3, nh&oacute;m IA.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-06-17 09:49:27"},{"id":"6087","test_id":"555","question":"<p>M\u1ed9t h\u1ecdc sinh th\u1ef1c hi\u1ec7n ba th&iacute; nghi\u1ec7m \u1edf \u0111i\u1ec1u ki\u1ec7n chu\u1ea9n v&agrave; quan s&aacute;t \u0111\u01b0\u1ee3c c&aacute;c hi\u1ec7n t\u01b0\u1ee3ng sau:<\/p><p>(1) Cu kim lo\u1ea1i kh&ocirc;ng ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch Pb(NO<sub>3<\/sub>)<sub>2<\/sub> 1M.<\/p><p>(2) Pb kim lo\u1ea1i tan trong dung d\u1ecbch AgNO<sub>3<\/sub> 1M v&agrave; xu\u1ea5t hi\u1ec7n tinh th\u1ec3 Ag.<\/p><p>(3) Ag kim lo\u1ea1i kh&ocirc;ng ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch Cu(NO<sub>3<\/sub>)<sub>2<\/sub> 1M.<\/p><p>Tr\u1eadt t\u1ef1 n&agrave;o sau \u0111&acirc;y th\u1ec3 hi\u1ec7n \u0111&uacute;ng m\u1ee9c \u0111\u1ed9 t&iacute;nh oxi ho&aacute; c\u1ee7a 3 ion?<\/p>","options":["<strong>A.<\/strong> Pb<sup>2+<\/sup> &lt; Ag<sup>+<\/sup> &lt; Cu<sup>2+<\/sup>.","<strong>B.<\/strong> Pb<sup>2+<\/sup> &lt; Cu<sup>2+<\/sup> &lt; Ag<sup>+<\/sup>.","<strong>C.<\/strong> Cu<sup>2<\/sup>+ &lt; Pb<sup>2+<\/sup> &lt; Ag<sup>+<\/sup>.","<strong>D.<\/strong> Cu<sup>2+<\/sup> &lt; Ag<sup>+<\/sup> &lt; Pb<sup>2+<\/sup>."],"correct":"2","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> Pb<sup>2+<\/sup> &lt; Cu<sup>2+<\/sup> &lt; Ag<sup>+<\/sup>.<\/span><\/p><p>(1) \u27f6 T&iacute;nh oxi h&oacute;a Pb<sup>2+<\/sup> &lt; Cu<sup>2+<\/sup><\/p><p>(2) \u27f6 T&iacute;nh oxi h&oacute;a Pb<sup>2+<\/sup> &lt; Ag<sup>+<\/sup><\/p><p>(3) \u27f6 T&iacute;nh oxi h&oacute;a Cu<sup>2+<\/sup> &lt; Ag<sup>+<\/sup><\/p><p>\u27f6 T&iacute;nh oxi h&oacute;a Pb<sup>2+<\/sup> &lt; Cu<sup>2+<\/sup> &lt; Ag<sup>+<\/sup>.<\/p>","type":"choose","user_id":"131","test":"1","date":"2025-06-17 09:52:50"}]}