精品解析:2022年辽宁省阜新市中考化学真题(解析版)
2022年阜新市初中毕业生学业考试化学试卷可能用到的相对原子质量:H-1C-12O-16Zn-65一、选择题(本题包括18个小题,1-10小题每题1分,11-18小题每题2分,共26分。每小题只有一个选项符合题意)1.下列变化属于化学变化的是A.食物腐烂B.石蜡熔化C.冰雪消融D.玻璃破碎【答案】A【解析】【详解】A、食物腐烂有菌类等新物质生成,属于化学变化,故A正确;B、石蜡熔化是由固态变为液态,只是状态的改变,没有新物质生成,属于物理变化,故B错误;C、冰雪消融是由固态变为液态,只是状态的改变,没有新物质生成,属于物理变化,故C错误;D、玻璃破碎,只是形状的改变,没有新物质生成,属于物理变...
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