精品解析:2024年江苏省镇江市中考化学试卷(解析版)
【淘宝搜索店铺:中小学教辅资源店微信:mlxt2022】2024年江苏省镇江市中考化学试卷一、单项选择题:共20题,每题2分,共40分。每题只有一个选项最符合题意。1.下列属于纯净物的是A.矿泉水B.液态氮C.加碘盐D.不锈钢【答案】B【解析】【详解】A、矿泉水由水、可溶性矿物质等混合而成,属于混合物,不符合题意;B、液态氮是液态氮气,由氮气一种物质组成,属于纯净物,符合题意;C、加碘盐由氯化钠、碘酸钾等混合而成,属于混合物,不符合题意;D、不锈钢由铁、碳等混合而成,属于混合物,不符合题意。故选B。2.下列现象主要由化学变化引起的是A.海水晒盐B.汽油挥发C.红磷燃烧D.瓜果飘香【答案】C【解...
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