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【单选题】
关于同分异构体的下列说法中不正确的是( )A.
具有相同分子式,但结构不同的化合物互为同分异构体
B.
同分异构体现象是导致有机物数目众多的重要原因之一
C.
同分异构体之间的转化属于化学变化
D.
金刚石、石墨化学式相同,但结构不同,性质不同,所以互为同分异构体
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