No Plagiarism!3bwoQZj4CNVSJDYtPmJGposted on PＥNAＮＡ
話説明天是grammar test 然後這次的test 是不太能溫習的，主要考的就是你英文底子好不好，那大家請祝福我們吧。既然如此，兼職芒果就更大説一些可以溫習的化學。1234 copyright protection143ＰＥＮＡＮＡNvNCvd8Ly9 尼
in general when metals are heated, metal oxides will be formed (except for a few unreactive metals such as silver and gold)1234 copyright protection143ＰＥＮＡＮＡHQLuBqo2JP 尼
example 1: potassium 1234 copyright protection143ＰＥＮＡＮＡv2FLaKREcs 尼
potassium burns with a liliac flame 1234 copyright protection143ＰＥＮＡＮＡ2dRJgTK0D9 尼
a white powder (potassium oxide)will be formed1234 copyright protection143ＰＥＮＡＮＡEiWBUrH9fA 尼
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