2017年湖南省衡阳市中考化学真题及答案
2017年湖南省衡阳市中考化学真题及答案可能要用到的相对原子质量:H1C12N14O16Mg24Al27S32Ca40Cu64Zn65Ag108一、选择题(每小题只有一个正确答案,每小题2分,共46分)1、(2017衡阳)下列变化中,不属于化学变化的是()。A.铁钉生锈B.水的沸腾C.纸张燃烧D.食物腐败2、(2017衡阳)下列实验操作错误的是()。A、滴加液体B、检查气密性C、加热液体D、量取9.5ml液体3、(2017衡阳)栀子花开,淡淡的清香。香满校园的原因是()。A.分子是由原子构成的B.分子的质量和体积都很小C.分子在不停的运动D.分子之间有间隔4、(2017衡阳)天宫二号是我国首个...
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