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化学方法鉴别乙烯和乙炔,可加入( )

单选题
2021-09-01 23:49
A、(CH3)2C═C(CH3)2
B、(CH3)2C═CHCH3
C、(CH3)2C═CH2
D、CH3CH═CH2
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正确答案
C

试题解析

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