2010年山东省青岛市中考化学试题及答案
初三化学考试 一、选择题:每题各有一个正确答案.(本题共16道小题,每题1分,共16分)1.(2010•青岛)下列变化中,属于物理变化的是( )A.葡萄酿酒B.汽油燃烧C.湿衣服晾干D.食物霉变2.(2010•青岛)生活中常遇到“加碘食盐”、“高钙牛奶”等商品,这里的“碘、钙”是指( )A.元素B.单质C.分子D.原子3.(2010•青岛)化学实验操作的正确性、规范性是科学探究成败的关键因素之一.下列实验操作中,正确的是()A.过滤B.熄灭酒精灯C.倾倒液体D.蒸发食盐水4.(2010•青岛)分类法是我们研究物质的基本方法.下列物质中,属于纯净物的是( )A.空气B.石灰水C.氮气D.啤...
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