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金华八中2012学年第一学期第二次阶段考试 高二化学试题卷(理) 命题:吴昌辉 审核:金立新 一、选择题(共48分,每题2分,每小题均只有一个选项符合题意) 1.工业上生产乙烯最主要的途径是·······························································································( ) A.乙炔加氢 B.乙醇脱水 C.石油裂解 D.煤炭干馏 2.3—甲基戊烷的一氯代产物有(不考虑立体异构)······································································( ) A.3种 B.4种 C.5种 D.6种 3.既可用于鉴别乙烷和乙烯,又可用于除去乙烷中的乙烯以得到乙烷的方法是······················( ) A.通过足量的氢氧化钠溶液 B.通过足量的溴水 C.通过足量的酸性高锰酸钾溶液 D.通过足量的浓盐酸 4.下列用水就能鉴别的一组物质是 ······························································································( ) A.苯、己烷、四氯化碳 B.苯、乙醇、四氯化碳 C.硝基苯、乙醇、四氯化碳 D.溴苯、乙醇、乙酸 5.垃圾焚烧易产生二噁英等环境荷尔蒙,二噁英是一类芳香族化合物的多氯代衍生物的总称,结 构稳定,难以被自然分解,是公认的最危险的致癌物质之一,且能导致哺乳动物不能生育。2,3,7,8-四氯二苯并二噁英是其中的一种,结构如图:下列说法中不正确的是 ································································································· | ||||||||||||||||||||||||||||||
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