下列有机物检验方法正确的是( )
| A．取少量卤代烃加NaOH水溶液共热，冷却再加AgNO3溶液检验卤原子存在 |
| B．用酸性KMnO4溶液检验溴乙烷与NaOH醇溶液共热后的产物是否是乙稀 |
| C．用溴水鉴别乙烯与乙炔 |
| D．用NaOH水溶液来鉴别一氯乙烷和三氯乙烷 |
相关试题
What do you mean, there are only ten tickets? There _____ be twelve
| A．should | B．would |
C．will | D．shall |
Could I speak to ______ is in charge of International Sales please?
| A．who | B．what |
| C．whoever | D．whatever |
Let’s go to ______ cinema – that’ll take your mind off the problem for _____while.
| A．the; the | B．the; a | C．a; the | D．a; a |
下图所示装置中，甲、乙、丙三个烧杯依次分别盛放100
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