2015年滨州市中考化学试卷及解析
2015年山东省滨州市中考化学试卷 一、(本题包括16小题,每小题只有一个选项符合题意,每小题3分,共48分)1.(3分)(2015•滨州)海洋是重要的资源,利用海水可以得到许多产品.①海水“晒盐”;②海水“制碱”;③海水“淡化”;④从海水中提取镁.其中主要利用化学变化的是( ) A.全部B.①②④C.只有②D.只有②④ 2.(3分)(2015•滨州)水是我们日常生活必不可少的物质,下列有关水的说法正确的是( ) A.用过滤的方法可以使硬水软化 B.用活性炭吸附水中的色素和异味是化学变化 C.可用肥皂水区分硬水与软水 D.水通电分解时产生的氢气和氧气质量比为2:1 3.(3分)(2015•...
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