江苏省南通市2013年中考化学试题及答案
江苏省南通市2013年中考化学试题及解析可能用到的相对原子质量:H一1C一12N一14O一16S一32K一39Mn一55Fe一56第Ⅰ卷(选择题共l0分)[一、选择题(本题包括10小题,每小题只有1个选项符合题意,每小题1分,共10分)11.下列做法与“推进生态文明,建设美丽中国”要求不相符合的是A.合理使用农药B.研发可降解塑料C.大力提倡使用化石燃料D.推广使用无磷洗衣粉12.侯氏制碱法生产纯碱的主要流程如下图所示,其中无新物质生成的步骤是A.①B.②C.③D.④13.运用分类思想认识物质,下列说法正确的是A.柠檬酸、碳酸均属于酸,它们都能使石蕊溶液变红B.氮气、氢气都属于非金属单质,它们...
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