2017浙江省湖州市中考化学真题及答案
2017浙江省湖州市中考化学真题及答案本卷可能用到的相对原子质量:H—1Li—7N—14O—16一、选择题(本题有4小题,每小题3分,共12分。请选出各小题中一个符合题意的选项,不选、多选、错选均不给分)1.下列转化过程属于化学变化的是( )A.冰雪消融B.核能发电C.煤矿自燃D.干冰升华2.利用厨房用品能完成的实验是( )A.检验鸡蛋壳中是否含有碳酸钙B.检验自来水中是否含有氯离子C.测定蔬菜中农药的残留量D.比较食用油与水的密度大小3.实验室为了收集干燥的二氧化碳气体,让制取的气体先后经过甲、乙两装置.下列关于甲、乙两装置导管的连接方式正确的是( )A.a接cB.a接dC.b接cD....
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