2018年湖南省郴州市中考化学真题及答案
2018年湖南省郴州市中考化学真题及答案本试卷满分110分,考试时间90分钟。可能用到的相对原子质量:一、选择题(本题共20小题,每小题2分,共40分。每小题只有一个选项符合题意)1.水晶、沙子的主要成分都是,属于( )A.酸B.碱C.盐D.氧化物2.中秋节吃月饼是我国的传统习俗,某品牌月饼的配料中富含蛋白质的是( )A.白砂糖B.小麦粉C.鲜鸡蛋D.奶油3.下列成语涉及物质化学变化的是( )A.大浪淘沙B.花香四溢C.死灰复燃D.水乳交融4.空气中含量较多且常在焊接金属时作保护气的是( )A.氧气B.氮气C.水蒸气D.二氧化碳5.俗称笑气,早期曾在外科手术中作麻醉剂。在中,元素的化合...
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