湖北省荆州市2018年中考理综(化学部分)真题试题(含解析)
湖北省荆州市2018年中考理综(化学部分)真题试题一、单项选择题(本大题包括24小题,每小题2分,共48分)1.下列典故中,主要体现化学变化的是( )A.火烧赤壁B.刻舟求剑C.司马光砸缸D.铁杵磨成针2.下列物质属于纯净物的是( )A.空气B.河水C.臭氧D.石油3.下列金属中,金属活动性最强的是( )A.铁B.镁C.锌D.铜4.“创建全国卫生城市,做文明荆州人”,下列做法不符合这一主题的是( )A.生活垃圾分类投放B.骑共享单车出行,节能减排C.推广使用太阳能等清洁能源D.生活污水直接排入长江5.下列实验操作中,正确的是( )6.尿素[CO(NH2)2]是一种化肥,它属于( )...
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