摘要:50mL三种气态烃的混合物与足量氧气混合点燃爆炸后.恢复到原来的状况.体积共缩小100mL.则该三种烃可能是: A.CH4.C2H4.C3H4 B.C2H6.C3H6.C4H6 C.CH4.C2H6.C3H8 D.C2H4.C2H6.C2H2

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