2013年中考化学试卷
山东省聊城市2013年中考化学试卷一、选择题.(本题包括16小题,共40分.每小题只有一个选项符合题意.13-20小题每题2分,21-28小题每题3分)1.(2分)(2013•聊城)下列葡萄酿酒的过程中,属于化学变化的是( ) A.清洗葡萄B.捣碎葡萄C.葡萄发酵成酒D.过滤装瓶 2.(2分)(2013•聊城)下列物质中属于溶液的是( ) A.豆浆B.碘酒C.牛奶D.蒸馏水 3.(2分)(2013•聊城)镉属于重金属,会危害人体健康.2013年5月16日,广州市食品药品监管公布的结果显示,抽检大米四成镉超标.这里的镉可理解为( ) A.镉元素B.镉单质C.镉离子D.镉原子 4.(2分)(...
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