2012年山西省中考化学试题(word版含答案)
12012山西省高中阶段教育学校招生统一考试理科综合(化学部分)第Ⅰ卷选择题(共50分)可能用到的相对原子质量:H-1,C-12,O-16,Cl-35.5,Ca-40一、选择题(在每小题给出的四个选项中,只有一项符合题目要求,请选出并在答题卡上将该选项涂黑,每小题2分)1.下列变化中属于化学变化的是()A.黄瓜切成段B.布料裁成衣C.葡萄酿成酒D.钢锭轧成板2.下列物质属于混合物的是()A.海水B.干冰C.液氧D.冰水3.下列实验操作正确的是()4.空气和水是人类宝贵的自然资源,下列关于空气和水的说法不正确的是BA.空气的主要成分是氮气和氧气B.造成空气污染的主要气体有CO、CO2、SO2等。...
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