Question

different between spontaneous and explostion 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
The speed of the reaction is what distinguishes an explosive reaction from an ordinary combustion reaction. Unless the reaction occurs very rapidly, the thermally expanding gases will be moderately dissipated in the medium, with no large differential in pressure and there will be no explosion.

Answer 2

Answer:

Spontaneous combustion: The combustion in which substances suddenly burst into flames, without the application of heat from external source is called spontaneous combustion. For example, sodium and phosphorus burn spontaneously in air, even when no external heat is provided to them. Phosphorus has low ignition temperature and undergoes spontaneous combustion.

Explosive combustion: The combustion in which sudden reactions take place on ignition of some substances to produce heat, light, and sound is called an explosive combustion. For example, fireworks on ignition produce heat, light, and sound.

Explanation:

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