精品解析:2024年黑龙江省龙东地区中考化学真题(解析版)
【淘宝搜索店铺:中小学教辅资源店微信:mlxt2022】黑龙江省龙东地区2024年初中毕业学业统一考试化学试题考生注意:1.考试时间90分钟2.全卷共五道大题,总分100分可能用到的相对原子质量:H-1C-12O-16Ca-40Mg-24K-39Cl-35.5Al-27N-14一、选择题(本题共17小题,每小题2分,共34分。每小题只有一个正确选项)1.成语中蕴含着丰富的化学知识,下列成语涉及化学变化的是A.木已成舟B.钻木取火C.滴水成冰D.沙里淘金【答案】B【解析】【详解】A、木已成舟,只是形状的改变,无新物质生成,属于物理变化;B、钻木取火,发生了燃烧,一定有新物质生成,属于化学变化;C...
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