江苏省连云港市2015年中考化学真题试题(含答案)
连云港市2015年高中段学校招生统一文化考试化学试题(共60分)可能用到的相对原子质量:H-1C-12N-14O-16Na-23Cl-35.5K-39Ba-137一、选择题(本题包括12小题,每小题2分,共24分。每小题只有一个选项符合题意)1.最清洁的燃料是A.煤B.氢气C.石油D.天然气2.下列过程中发生化学变化的是A.棉花纺成线B.棉线织成布C.棉布制成衣D.棉衣着了火3.实验室配制氯化钠溶液的操作中,正确的是A.取氯化钠B.称氯化钠C.量取水D.溶解4.2015年“世界水日”的宣传主题是“水与可持续发展”。下列有关水的说法正确的是A.水可用于灭火B.淡水资源是取之不尽、用之不竭的C.可...
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