【单选题】【消耗次数:1】
苯胺遇漂白粉变成( ),可用于苯胺的鉴别。
红色
粉色
蓝色
紫色
参考答案:
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相关题目
【单选题】 糠醛与苯胺的醋酸盐作用,呈现( ),可用于鉴别糠醛。
①  紫色
②  红色
③  绿色
④  蓝色
【单选题】 漂白粉溶液要避光、避热保存,有效期为4天。漂白粉不能用于对()的消毒。
①  有色织物或金属物品
②  家具、便盆
③ 
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【判断题】 鉴别环己烷与苯胺可以用盐酸,因为苯胺溶于盐酸而环己烷不溶。
①  正确
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【单选题】 工业上利用苯胺与甲醇在( )的催化下,加热,加压,制取N-甲基苯胺。
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【单选题】 将苯胺与溴水混合,现象:( )。
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【单选题】 联苯胺引起的法定职业肿瘤为( )
①  膀胱癌
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①  K2CO3
②  CaCl2
③  MgSO4
④  粉状NaOH
【单选题】 可用于硫酸阿托品鉴别的是
①  三氯化铁反应
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【单选题】 —When ____ the show ____?—It begins at 7 o’clock this evening.
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②  will--begin
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【单选题】 5. ____ come to this university, you need to get very good grades at the end of secondary school.
①  So you can
②  For you
③  In order to
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【单选题】 Finding it difficult to ____ to the climate in the city, he decided to move to the North. ?
①  adopt ?
②  adapt ?
③  fit ?
④  suit?
【单选题】 If you want to see the chairman of the department, you’d better make an ____ with him first.
①  admission
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①  that
②  which
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①  to pick out
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③  pick out
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①  by comparison
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④  at times
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①  special
②  skill
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①  for
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①  would be
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