2015年湖南省娄底市中考化学试卷(学生版) 学霸冲冲冲shop348121278.taobao.com
2015年湖南省娄底市中考化学试卷一、选择题(本大题有12个小题,每小题只有一个正确答案,共36分)1.(3分)下列描述中表达的是物质化学性质的是( )A.干冰能升华B.氧气是一种无色无味的气体C.氢氧化钠在空气中易变质D.水蒸发产生水蒸气2.(3分)下列事故的处理方法错误的是( )A.炒菜时,油锅着火,立即盖上锅盖B.图书室内文字资料起火,立即用泡沫灭火器灭火C.发生一氧化碳中毒,立即转移到通风的地方救治D.如果浓硫酸沾到皮肤上,先用大量水冲洗,再涂上3%~5%的碳酸氢钠溶液3.(3分)三月中旬,湖南媒体报道,不法商贩用具有漂白防腐作用的焦亚硫酸钠(化学式为Na2S2O5)处理生姜,使生...
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