精品解析:2023年吉林省长春市中考化学真题(原卷版)
【淘宝搜索店铺:中小学教辅资源店微信:mlxt2022】2023年吉林省长春市中考化学试卷一、选择题(每小题只有一个选项符合题意。每小题1分,共10分)1.端午节是中国的传统节日,在下列制作粽子的环节中,涉及物质发生化学变化的是A.清洗竹叶B.淘洗糯米C.竹叶包粽D.生火煮粽2.空气是人类生产活动的重要资源,空气中能支持燃烧和供给呼吸的气体是A.氮气B.氧气C.稀有气体D.二氧化碳3.下列物质中,由原子直接构成的是A.金刚石B.氢气C.氯化钠D.水4.“酸和碱的中和反应”实验需使用胶头滴管,相关操作正确的是A.挤压取液B.转移液体C.滴加液体D.搅拌均匀5.一些食物的pH范围如下,其中酸性最强...
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