2018年辽宁省盘锦市中考化学试题(空白卷)
2018年辽宁省盘锦市中考化学试卷一、选择题(本大题包括12道小题,1-8小题每题1分,9-12小题每题2分,共16分,每小题只有一个选项符合题意)1.(1分)下列属于化学变化的是( )A.胆矾研碎B.木棒折断C.衣服晒干D.粮食酿酒2.(1分)不会造成空气污染的气体是( )A.二氧化硫B.氮气C.一氧化碳D.二氧化氮3.(1分)由离子构成的物质是( )A.汞B.氯化钠C.二氧化碳D.氢气4.(1分)金刚石,石墨物理性质差异很大,是因为它们( )A.原子大小不同B.原子数目不同C.原子排列方式不同D.由不同种原子构成5.(1分)下列基本实验操作正确的是( )A.装固体药品B.点燃酒精...
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