精品解析:2023年江苏省镇江市中考化学真题(原卷版)
2023年江苏省镇江市中考化学试卷一、单项选择题:共20小题,每小题2分,共40分。每小题只有一个选项最符合题意。1.下列属于纯净物的是A.液氧B.空气C.海水D.生铁2.下列现象主要是由化学变化引起的是A.海水晒盐B.酒精挥发C.甲烷燃烧D.冰雪消融3.下列物质的用途主要与其化学性质有关的是A.用贝壳生产生石灰B.用干冰进行人工降雨C.用钢制作电线电缆D.用伍德合金制作保险丝4.自然界中的物质大多数是化合物,下列化合物属于氧化物的是A.KOHB.C2H6OC.Na2CO3D.P2O55.下列归类正确的是选项归类内容A清洁能源煤炭、石油、太阳能B糖类物质蔗糖、淀粉、纤维素C酸性物质胃液、食醋、...
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