江苏省宿迁市2015年中考化学真题试题(含答案)
江苏省宿迁市2015年中考化学试卷一、选择题(共10小题,1-5小题每题1分,6-10小题每题2分,共15分)1.下列物质的应用,能体现该物质的化学性质的是( ) A.动植物呼吸氧气B.中性洗衣粉乳化油污 C.活性炭用于净水D.用干冰人工降雨 2.(1分)(2015•宿迁)关于分子和原子两种微粒的叙述正确的是( ) A.物质只能由分子构成 B.相同原子可能构成不同的分子 C.分子在不断运动,原子静止不动 D.化学变化中分子数目一定发生变化 3.(1分)(2015•宿迁)某气体常温下不与空气中的成分反应,密度比空气小,极易溶于水,以下收集该气体的方法正确的是( ) A.B.C.D. 4.(...
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