A Complete Collection of 100000 Whys
Fav十万个为什么
为什么有些物质会燃烧？
1、燃烧是一种化学反应，称为氧化反应，需要物质与氧气发生反应，释放能量。
2、可燃物是能够燃烧的物质，它们通常含有碳和氢，如木材、纸张和天然气。
3、燃烧需要三个条件：可燃物、氧气和点火源（如火焰或高温），这被称为燃烧三要素。
4、点火源提供足够的能量使可燃物达到其燃点，燃点是指物质开始燃烧的最低温度。
5、燃烧过程中，化学能转化为热能和光能，这就是为什么燃烧时会产生火焰和热量。
总之，物质燃烧是因为它们与氧气发生氧化反应，需要可燃物、氧气和点火源三个条件，并释放能量。
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