精品解析:2023年山东省青岛市中考化学真题(解析版)
2023年山东省青岛市中考化学试卷一、选择题(本题共16小题,每小题1分,共16分)在每小题给出的四个选项中,只有一项是符合题目要求的。1.生活中的下列变化,不涉及化学变化的是A.铁锅生锈B.牛奶变酸C.葡萄酿酒D.冰雪融化【答案】D【解析】【详解】A、铁锅生锈生成了新物质铁锈,是化学变化,不符合题意;B、牛奶变酸产生了酸性物质,是化学变化,不符合题意;C、葡萄酿酒过程生成了乙醇,有新物质生成,是化学变化,不符合题意;D、冰雪融化只是雪的状态发生变化,无新物质生成,是物理变化,符合题意。故选D。2.人体缺锌会引起多种疾病,可服用葡萄糖酸锌口服液来补锌。这里的“锌”指的是A.原子B.分子C.元素...
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