题干

可以用来鉴别甲烷和乙烯的试剂是(  )

A:水

B:溴水

C:紫色石蕊溶液

D:四氯化碳

上一题 下一题 0.0难度 选择题 更新时间:2019-12-02 10:01:57

答案(点此获取答案解析)

B

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