2015年湖南省岳阳市中考化学试卷(含解析版)
2015年湖南省岳阳市中考化学试卷一、选择题:每小题只有一个选项符合题意,本题共14道小题,每小题3分,共42分。1.(3分)下列变化中,属于化学变化的是( )A.蜡烛燃烧B.河水结冰C.玻璃破碎D.蔗糖溶解2.(3分)空气成分中,约占总体积的是( )A.N2B.O2C.H2OD.CO23.(3分)下列物质在氧气中燃烧,产生大量白烟的是( )A.铁丝B.木炭C.硫粉D.红磷4.(3分)规范的实验操作是实验成功的保证、下列实验操作错误的是( )A.滴加液体B.过滤C.点燃酒精灯D.加热固体5.(3分)水是生命之源,下列有关水的说法正确的是( )A.节约用水和防治水体污染是爱护水资源的有...
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