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58问答库 > 可用燃烧法区分甲烷乙烯乙炔，为什么？

可用燃烧法区分甲烷乙烯乙炔，为什么？

2025-04-02 07:21:39

推荐回答（1个）

回答（1）：

三者的含碳量不同,含碳量越高,其燃烧就越不充分,甲烷的含碳量最低,乙炔的含碳量最高,故可用燃烧的方法进行区分.
点燃火焰的明亮程度有无黑烟生成及生成黑烟的程度
甲烷火焰蓝色,无烟乙烯火焰明亮,有黑烟,乙炔火焰更明亮,有浓黑烟

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