精品解析:2023年湖南省郴州市中考化学真题(原卷版)
【淘宝搜索店铺:中小学教辅资源店微信:mlxt2022】化学可能用到的相对原子质量:H-1C-12N-14O-16Na-23Cl-35.5Fe-56Cu-64Zn-65一、选择题(共15小题,每小题3分,共45分。每小题只有一个选项符合题意)1.下列叙述只涉及物理变化的是A.CO使人中毒B.醋酸溶解鸡蛋壳C.白磷在空气中自燃D.铁水铸锅2.下列图示的实验操作正确的是A.滴加溶液B.测pHC.量筒读数D.收集H23.下列说法正确的是A.经过液化、蒸发从空气中得到氧气的过程是化学变化B.破坏臭氧层会引起酸雨C.空气是由空气分子组成的D.氧气可用于医疗急救4.关于水的说法正确的是A.水是由氢、氧两种...
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