广东省深圳市2015年中考化学真题试题(含解析)
2015年广东省深圳市中考化学试卷 一、选择题(共10小题,每小题3分,满分30分)1.(3分)(2015•深圳)以下是生活常见现象或结论,正确的是( ) A.为了加强农作物产量,要尽可能多的使用农药 B.工业排污水会造成水体污染 C.在室内放盆水能防止CO中毒 D.塑料是有机合成材料,不能把它投进带有标志的垃圾桶 2.(3分)(2015•深圳)下列化学用语正确的是( ) A.2H2O:2个水分子B.SO4:硫酸根离子 C.N2:2个氮原子D.:镁离子 3.(3分)(2015•深圳)下列实验操作基本正确的是( ) A.B.C.D. 4.(3分)(2015•深圳)下列说法正确的是( ) ...
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