2018年高考化学试卷(上海)(解析卷)
2018年上海市普通高中学业水平等级性考试化学试卷相对原子质量:C-12O-16一、选择题(每题只有一个正确答案,每题2分,共计40分)1.2018年3月《Nature》杂志上刊登了通过测量行星物质中48Ca/44Ca的比值,揭示了行星演变的关系。48Ca和44Ca具有()A.相同的质量数B.不同的质子数C.相同的中子数D.相同的电子数2.我国自主研制的大型客机C919的机身大量使用铝锂合金材料。这是利用了铝锂合金性质中的()A.高强度、低密度B.高强度、导热性C.低密度、导电性D.导电性、导热性3.下列过程中,仅克服分子间作用力的是()A.氯化钾熔融B.碳酸钠溶于水C.碘升华D.晶体硅熔融4...
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