2009年湖南省株洲市中考化学试卷(学生版) 学霸冲冲冲shop348121278.taobao.com
2009年湖南省株洲市中考化学试卷一、选择题(共20小题,每小题分,满分40分)1.(2分)下列现象属于化学变化的是( )A.碘溶于酒精制成碘酒B.瓷碗破碎C.汽油挥发D.蜡烛燃烧2.(2分)下列说法中叙述错误的是( )A.硫酸铜可用于游泳池水消毒,也可用于自来水消毒B.黄曲霉毒素能损害人的肝脏,诱发肝癌等疾病.因此,霉变食物绝对不能食用C.有些青少年不爱吃蔬菜、水果,这会引起维生素摄入不足而影响生长发育D.氢气燃烧时放出的热量约为同质量汽油的三倍,燃烧后的产物是水,是理想的可再生能源3.(2分)小贝对柠檬汁、肥皂水、食盐水、草木灰水的pH分别进行了测定,其中pH最小的是( )A.柠檬汁...
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