精品解析:2022年黑龙江省绥化市中考化学真题(解析版)
第二部分化学可能用到的相对原子质量:H-1C-12N-14O-16Na-23Mg-24Al-27S-32Cl-35.5K-39Ca-40Fe-56Cu-64Zn-65Ag-108一、选择题(本题共12个小题,每小题2分,共24分。1-10题每题只有一个正确选项;11-12题每题有一个或两个正确选项,正确选项不全得1分,有错误选项不得分)请在答题卡上用2B铅笔将你的选项所对应的大写字母涂黑1.下列选项中,展于物理变化的是A.干冰升华B.粮食发霉C.酒精燃烧D.钢铁生锈【答案】A【解析】【详解】A.干冰升华,二氧化碳由固态变为气态,没有新物质生成,属于物理变化。B.粮食发霉,有新物质生成,属于化学...
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