两种气态烃以任意比例混合,在105℃时1 L该混合烃与9 L氧气混合,充

两种气态烃以任意比例混合,在105℃时1 L该混合烃与9 L氧气混合,充分燃烧后恢复到原状态,所得气体体积仍是10 L。下列各组混合烃中不符合此条件的是        

A.CH4  C2H4       B.CH4  C3H6       C.C2H4  C3H4          D.C2H2  C3H6

答案

A

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