2016年青海省中考化学试卷(省卷)【原卷版】
2016年青海省中考化学试卷一、选择题(本题共13小题,第1~8题每小题1分,第9~13题每小题1分,共18分每小题只有一个选项符合题目要求)1.(1分)下列变化属于化学变化的是( )A.汽油挥发B.瓷碗破碎C.钢铁生锈D.粉笔折断2.(1分)钙是构成人体骨骼和牙齿的重要成分,这里的“钙”是指( )A.钙元素B.钙原子C.钙单质D.钙离子3.(1分)化肥对农业的高产丰收具有重要作用。下列物质中属于复合肥的是( )A.K2SO4B.Ca(H2PO4)2C.CO(NH2)2D.KNO34.(1分)将少量下列物质分别放入水中,充分搅拌后,不能得到溶液的是()A.食盐B.蔗糖C.菜籽油D.酒精5...
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