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可能用到的相对原子质量 :Ｈ :1 Ｃ :1 2 Ｎ :1 4 Ｏ :1 6 Ｎａ :2 3 Ｍｇ :2 4 Ａｌ:2 7 Ｓ :3 2 Ｃｌ:3 5 5 Ｃａ :40 Ｃｕ :63 5 Ｚｎ :65 一、选择题 (本题包括 1 2小题 ,共 2 4分。)1 .“垃圾是放错了位置的资源” ,应该分类回收。生活中废弃的铁锅、铝质易
Relative atomic masses that may be used: H:1 C:1 2 N:1 4 O:1 6 Na:2 3 Mg:2 4 Al:2 7 S:3 2 Cl:3 5 5 Ca:40 Cu:63 5 Zn : 65 I. Multiple-choice questions (This question includes 1 2 questions, a total of 24 points.) 1. “Garbage is a misplaced resource.” It should be classified and recycled. Discarded wok and aluminum in life