Question

What is meant spontaneous combustion? Give one example of spontaneous combustion.

Answer 1

Answer:

Spontaneous combustion: The ignition of a substance or body from the rapid oxidation of its own constituents without heat from any external source is known as spontaneous combustion.

Example: Phosphorous and sulphur start burning instantaneously; at room

                 temperature.                          

Explanation:

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Answer 2

Spontaneous combustion

Explanation:

Spontaneous combustion is the phenomenon in which a substance unexpectedly bursts into flame without apparent cause. There is no external source of heat or fire involved. The substance catches fire on its own and burns. The combustion in which no external heat is given is known as spontaneous combustion.

An example of spontaneous combustion is the burning of white phosphorus in air.