2012年辽宁省沈阳市中考化学试题及答案
2012年辽宁省沈阳中考化学试题可能用到的相对原子质量H—1C—12O—16Mg—24S—32Ca—40一、选择题(本题包括13小题,1—11小题,每题1分,12、13小题,每题2分,共15分。每小题有一个最符合题目要求的选项)1、空气中能使澄清石灰水变浑浊的气体是A氮气B氧气C二氧化碳D稀有气体2、下列早餐食物中富含维生素C的是A黄瓜B鸡蛋C稀饭D馒头3、化学研究的核心内容是A物体的运动规律和光电现象B物质的组成、结构、性质和变化C生命有机体的形成及功能D矿产资源、地域分布和自然环境4、实验是学习化学的重要手段。下列实验操作正确的是A倾倒液体B取用固体C闻气味D过滤5、2012年世界地球日的...
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