2013年湖北省黄冈市中考化学试卷(含解析版)
2013年湖北省黄冈市中考化学试卷一、选择题(每小题只有一个选项符合题意,共12小题,每小题1分,满分12分)1.(1分)下列过程一定包含化学变化的是( )A.海水晒盐B.火力发电C.滴水成冰D.木已成舟2.(1分)下列各物质中,均属纯净物的是( )A.合成纤维油脂B.天然气水银C.冰水干冰D.医用酒精碘盐3.(1分)下列实验操作正确的是( )A.称取食盐B.稀释浓硫酸C.测定溶液pH值D.固体药品的取用4.(1分)下列有关说法正确的是( )A.“春色满园,花香四溢”说明分子在不停地运动B.空气是由空气分子构成的C.组成CO,CO2的元素种类相同,所以它们的化学性质相同D.气体受热膨胀...
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