2010年青海省中考化学试卷(省卷)(含解析版)
2010年青海省中考化学试卷一、选择题(本题包括l3小题,1~8小题每小题1分,9--13小题每小题1分,共18分.每小题只有1个选项符合题意)1.(1分)下列变化属于化学变化的是( )A.将纸撕碎B.用玻璃刀划割玻璃C.冰雪融化D.牛奶变酸2.(1分)生活中的下列物质.属于纯净物的是( )A.湟源陈醋B.铝合金门窗C.食品袋里的氮气D.康师傅矿泉水3.(1分)青海的秋冬季节气候干燥,在室内放盆热水可以增加空气的湿度,这种做法说明( )A.分子很小B.分子在不断地运动C.分子间有空隙D.分子间有作用力4.(1分)化石燃料不包括( )A.煤B.石油C.酒精D.天然气5.(1分)下列化学用...
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