2018年湖南省娄底市中考化学试卷(学生版) 学霸冲冲冲shop348121278.taobao.com
2018年湖南省娄底市中考化学试卷一、选择题(共15小题,每小题2分,满分30分)1.(2分)生活中变化无处不在。下列变化属于化学变化的是( )A.汽油挥发B.粮食酿酒C.石蜡融化D.木材成椅2.(2分)化学是一门以实验为基础的科学。下列实验操作正确的是( )A.取固体药品B.闻气体气味C.稀释浓硫酸D.熄灭酒精灯3.(2分)我们每天都得保证各种营养素的均衡摄入。以下食物主要提供蛋白质的是()A.鸡蛋B.大米C.黄瓜D.植物油4.(2分)掌握好化学用语,有利于化学学习。下列化学用语使用正确的是( )A.镁原子结构示意图:B.硝酸根离子:NO3C.两个水分子:2H2OD.氧化铁FeO5.(...
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