No Plagiarism!FbmSN0mSaDMsMzXkxbEIposted 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 protection104ＰＥＮＡＮＡFL0SMEOwVM 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 protection104ＰＥＮＡＮＡekKYC3Mxqf 尼
example 1: potassium 1234 copyright protection104ＰＥＮＡＮＡj5rFm1V7yg 尼
potassium burns with a liliac flame 1234 copyright protection104ＰＥＮＡＮＡNAjk2TCr2K 尼
a white powder (potassium oxide)will be formed1234 copyright protection104ＰＥＮＡＮＡd6XlG0zYEJ 尼
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