2012年枣庄市中考化学试卷及答案
2012年山东省枣庄市中考化学试卷一、选择题(每小题2分,共16分。每小题只有一个选项符合题意)1.中国第八次公民科学素质调查结果显示,2010年,具备基本科学素质的公民仅占3.27%,和发达国家比,有较大差距。以下是公民科学素质调查问卷中的四个判断正误题,其中错误的是()A.太阳能是新能源B.使用含磷洗衣粉会造成水污染C.地壳中含量最高的金属元素是铝D.温室效应是天气太热造成的2.2012年5月山东媒体报道称,一些菜贩使用有毒物质——甲醛(化学式为CH2O)对长途运输的大白菜保鲜。关于甲醛,下列说法错误的是()A.是一种氧化物B.由碳、氢、氧三种元素组成C.碳、氢、氧三种元素的原子个数比为1...
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