用燃烧法除去氮气与氧气的混合气体中的氧气，得到氮气，最好采用

用燃烧法除去氮气与氧气的混合气体中的氧气，得到氮气，最好采用的可燃物是

A．硫磺 B．红磷 C．铁丝 D．木炭

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用燃烧法除去氮气与氧气的混合气体中的氧气，得到氮气，最好采用

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