2010年广州亚运火炬中的燃料X燃烧后不会对环境造成污染,体现了“

2010年广州亚运火炬中的燃料X燃烧后不会对环境造成污染,体现了绿色亚运的理念。反应的化学方程式为X +5O23CO2+4H2O,则X

AC2H4              B. C2H6        C. C3H6        D. C3H8

答案

D

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