2011年山西省中考化学试题(word版含答案)
山西省2011年中考毕业生学业考试化学试卷可能用到的相对原子质量:H:1C:12N:14O:16S:32Cu:64Zn:65第Ⅰ卷选择题一、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,本题共20分)1.下列变化属于物理变化的是()A.冰雪融化B.粮食酿酒C.工业炼铁D.火箭点火2.下列气体属于空气污染物的是()A.O2B.N2C.SO2D.CO23.下列物质的用途主要利用其化学性质的是()A.氧气用于医疗急救B.干冰用于人工降雨C.铜、铝用于制作导线D.汽油用于衣物除油4.下列物质由分子直接构成的是()A.铁B.水C.氯化钠D.金刚石5....
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