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一、掌握知识要点1.燃烧一定是化学变化;燃烧一定放热;燃烧一定发光;燃烧一定是氧化反应,而且是一种剧烈的氧化反应.燃烧是人类目前通过化学反应获得能量的主要来源,其中大部分是化石燃料燃烧.2.缓慢氧化和自燃一定是化学变化;缓慢氧化一定放热;缓慢氧化和自燃一定是氧化反应,而且自燃是一种由缓慢到剧烈的氧化反应,但缓慢氧化不一定引起自燃.
First, master knowledge points 1. The combustion must be a chemical change; the combustion must be exothermic; the combustion must emit light; the combustion must be an oxidation reaction and a violent oxidation reaction. Combustion is the main source of energy currently available to humans through chemical reactions, most of which is combustion of fossil fuels. 2. Slow oxidation and spontaneous combustion must be a chemical change; Slow oxidation must be exothermic; Slow oxidation and spontaneous combustion must be the oxidation reaction, and spontaneous combustion is a slow to severe oxidation reaction, but slow oxidation may not cause spontaneous combustion.