2012年福建省中考化学真题及答案
2012年福建省中考化学真题及答案(满分:100分考试时间:60分钟)一、选择题(本题共30分,每小题的四个选项中只有一项符合题目要求,请在答题卡填涂此项的字母)1.下列食物中,富含蛋白质的是()。A.胡萝1、B.花生油C.土豆D.鱼2.5月31日是世界无烟日,中国控烟协会呼吁要了解“二手烟”的危害,对“二手烟"说“不”。香烟烟气中存在的物质如右图所示,其中易与血红蛋白结合的氧化物是()。A.二氧化碳B.焦油C.一氧化碳D.尼古丁3.K2MnO4中锰元素的化合价为()。A.+7B.+6C.+4D.+24.下图所示的变化过程中,有新分子生成的是()。5.在化学反应2PbS+XO22PbO+2SO...
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