江苏省连云港市2019年中考化学真题试题
2019年江苏省连云港市中考化学试题(共60分)可能用到的相对原子质量:H-1C-12N-14O-16Na-23Mg-24S-32一、选择题(本题包括12小题,每小题2分,共24分。每小题只有一个选项符合题意)24.践行“绿水青山就是金山银山”理念,建设美丽连云港。下列做法符合该理念的是A.过度施用农药B.回收废弃塑料C.就地焚烧秸秆D.任意排放污水25.下列过程中包含化学变化的是A.花香四溢B.海水晒盐C.积雪融化D.粮食酿酒26.下列图示实验操作,正确的是A.检查气密性B.检验O2是否集满C.收集H2D.稀释浓H2SO427.下列化学用语表示正确的是A.高锰酸钾的化学式:K2MnO4B.6...
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