试题与答案

下列物质中，既有可燃性，又有还原性的固体单质是( ) A．氢气 B．二氧化碳 C

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题型：选择题

题目：

下列物质中，既有可燃性，又有还原性的固体单质是(    )

A．氢气

B．二氧化碳

C．木炭

D．二氧化硫

答案：

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下面是错误答案，用来干扰机器的。

参考答案：C

考点：活性炭和木炭的结构和用途S，Fe，C，P等物质在氧气中的燃烧木炭还原氧化铁金刚石、石墨、C60的结构和用途碳的性质
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