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一、点燃、燃烧、加热、高温有些化学反应的发生是需要点燃、加热、高温、催化剂、通电等条件的。同学们在注明条件时,一定要区分清各种条件的适用范围。点燃是使可燃物温度达到着火点,其结果使可燃物发生燃烧。可燃物被点燃后,燃烧产生的热可使其继续燃烧。所以,点燃(有时加热
I. Ignition, combustion, heating, and high temperatures Some chemical reactions require ignition, heating, high temperatures, catalysts, electricity, and other conditions. When classifying the conditions, the students must distinguish between the scope of application of various conditions. Ignition is to bring the flammable temperature to the ignition point. As a result, combustibles are burned. After combustibles are ignited, the heat of combustion can make them continue to burn. So, light (sometimes heated