第29届奥运会火炬传递接力曾经过岳阳。火炬燃料为丁烷(化学式为C

29届奥运会火炬传递接力曾经过岳阳。火炬燃料为丁烷(化学式为C4H10),下列关于丁烷的说法正确的是(      )

A、丁烷由碳、氢两种元素组成   B、丁烷由4个碳原子和10个氢原子组成

C、丁烷燃烧的产物只有二氧化碳 D、丁烷的相对分子质量为58g

答案

A

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