2008年四川省成都市中考化学试题及答案
成都市二00八年高中阶段教育学校统一招生考试试卷(含成都市初三毕业会考)化学第Ⅰ卷(选择题,共36分)一、选择题(本题包括12个小题,每小题3分,共36分。每小题只有一个选项符合题意。)化学课上,每个学习小组各有一瓶无标签的无色透明液体。请你和同学们一起对此液体进行探究,并完成下列1一4题。1.某小组同学打开瓶盖后没有闻到特殊气味。可推测该液体不可能是()A.食盐水B.纯净水C.澄清石灰水D.白醋2.从组成上看,这些液体不可能属于()A.混合物B.纯净物C.含有Cu2+的盐溶液D.氧化物3.几组同学分别取少量液体进行如下实验,其中一定发生化学变化的是()A.加热——有水汽产生B.通入CO2——...
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