2014年四川省泸州市中考化学试卷(含解析版)
2014年四川省泸州市中考化学试卷一、选择题(共8小题,每小题3分,满分24分)1.(3分)掌握物质的分类是学好化学的基础,下列物质属于盐类的是( )A.NaClB.KOHC.MgOD.Cu2.(3分)下列说法不正确的是( )A.硬水中加入肥皂水容易起浮渣B.用洗洁精洗去餐具上的油污属于乳化C.用酒精洗去试管中的碘是溶解D.空气中氮气的质量分数为78%3.(3分)如图是元素周期表中某元素的相关信息,从图中不能获得的信息是( )A.该元素是非金属元素B.该元素的原子序数为7C.该元素的相对原子质量是14.01D.氮气的化学式为N24.(3分)下列物质的俗称或名称与化学式不相符合的是( )A...
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