江苏省连云港市2017年中考化学真题试题(含答案)
江苏省连云港市2017年中考化学真题试题可能用到的相对原子质,:H1C12O16Na23Cl35.5Fe56Zn65五、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.连云港市正在创建国家级文明城市。下列做法与此不相符的是A.分类回收生活垃圾,垃圾资源化B.加大空气质量检测,改善环境状况C.预防治理水体污染,保护水资源D.过度使用农药化肥,提高粮食产量25.日常生活中时刻发生着变化。下列变化中包含化学变化的是A.美酒飘香B.鸡蛋变臭C.切割玻璃D.滴水成冰26.下列化学用语表示正确的是A.60个碳原子:C60B.2个氢氧根离子:2OHC.金刚石:AuD.3个二...
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