Question

what is rapid and spontaneous combustion
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Answer 1

Answer:

rapid combustion is the combustion in which substances burn rapidly to produce heat and light.in rapid combustion ,external heat must be supplied so that the substance can burn. spontaneous combustion in which substance suddenly burst into flames without the application of any apparent

Explanation:

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Answer 2

Answer:

In rapid combustion, large amount of heat and light is evolved in a short time. In spontaneous combustion, small amount of heat and light is evolved. 4. Example of rapid combustion: Burning of domestic cooking gas in a gas burner.