贵州省黔西南州2015年中考化学真题试题(含解析)
贵州省黔西南州2015年中考化学试卷一、选择题(共6个小题,每小题2分,共12分.每小题4个选项中只有一个符合题意,多选、不选、错选均不得分)1.诗词、名著是中华民族灿烂文化的瑰宝.下列诗句或名著事件的描述中只涉及物理变化的是( ) A.野火烧不尽,春风吹又生 B.伐薪烧炭南山中 C.只要功夫深,铁杵磨成针 D.春蚕到死丝方尽,蜡炬成灰泪始干考点:化学变化和物理变化的判别..专题:物质的变化与性质.分析:化学变化是指有新物质生成的变化.物理变化是指没有新物质生成的变化.化学变化和物理变化的本质区别是否有新物质生成.解答:解:A、植物秸秆燃烧能生成水和二氧化碳等物质,属于化学变化;B、伐薪烧炭...
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