云南省云南师范大学附属中学2024-2025学年高考适应性月考卷(五)化学答案
云南师大附中2025届高考适应性月考卷(五)化学参考答案一、选择题:本题共14小题,每小题3分。题号1234567答案BCBDABA题号891011121314答案CDCCBCD【解析】1.可降解塑料聚乳酸,能减少白色污染,A正确。汽油不能和碳酸钠溶液反应,也不溶于碳酸钠溶液,不能用热的纯碱溶液清洗衣物上的汽油污渍,B错误。氨气遇到氯气会产生白烟,故氯碱工业中,可用浓氨水检查氯气管道是否泄漏,C正确。汽车防冻液的主要成分为乙二醇,羟基间可以形成分子间氢键,D正确。2.1mol甲基含有的电子数为9NA,A错误。N2分子的结构式为NN,B错误。基态N原子的价电子排布式为2s22p3,C正确。偏二甲...
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