Question

Define spontaneous combution

Answer 1

Spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self-heating (increase in temperature due to exothermic internal reactions), followed by thermal runaway (self heating which rapidly accelerates to high temperatures) and finally, autoignition.[1]

Answer 2

-Spontaneous combustion is the bursting into flame of a mass of material as a result of chemical reactions within the substance, without the addition of heat from an external source.

-Oily rags and damp hay, for example, are subject to spontaneous combustion.


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