精品解析:2022年湖北省黄石市中考化学真题(解析版)
淘宝:中小学教辅资源店微信:mlxt20222022年黄石市中考化学试题可能用到的相对原子质量:H-1C-12O-16S-32Cl-35.5Na-23一、选择题1.空气中含很多成分,其中含量较少,常用作保护气的是A.氮气B.氧气C.二氧化碳D.稀有气体【答案】D【解析】【详解】空气中含很多成分,常用作保护气是氮气和稀有气体,且含量较少的是稀有气体;答案:D。2.冰雪埋忠骨,历史有温度。青山犹在,致敬先辈!电影《长津湖》场景中所示变化属于化学变化的是A.长津湖湖水结冰B.棉衣裁制成单衣C.战场上战火熊熊D.铅笔书写绝笔信【答案】C【解析】【详解】A、湖水结冰是物质状态的变化,没有生成新物质,物理...
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