2009年吉林省中考化学试题及答案
2009年吉林省中考化学试题可能用到的相对原子质量:S—320—16Zn—65H—1一、单项选择题:(每小题1分,共8分)1、下图所示的内容不属于化学研究范围的是()ABCD2、下列常见饮品中,不能为人体补充糖类的是()A.苹果汁B.矿泉水C.梨汁D.橙汁3、人体内液体pH与健康密切相关,以下是人体内液体正常pH范围,呈酸性的是()A.胃液0.9~1.5B.胆汁7.1~7.3C.胰液7.5~8.0D.血浆7.35~7.454、用分子——原子的观点分析下列变化,其中分子本身发生改变的是()A.水蒸发B.石蜡熔化C.水通电分解D.试管破裂5、化学学习使我们对物质的性质有了进一步的认识,下列说法错误...
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