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点燃验纯后的乙炔是什么现象

更新时间: 2020-10-26 00:00:00     

乙炔在氧气中燃烧,产生明亮火焰,并伴有浓烟的现象。乙炔,俗称风煤和电石气,是炔烃化合物系列中体积最小的一员,主要作工业用途,特别是烧焊金属方面。乙炔在室温下是一种无色、极易燃的气体。纯乙炔是无臭的,但工业用乙炔由于含有硫化氢、磷化氢等杂质,而有一股大蒜的气味。

关键词: 点燃 乙炔 什么 现象

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