Burning of coal dust in coal mine is an example of

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A Spontaneous combustion
B Explosion
C Rapid combustion
D Slow combustion

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Answer: B. Explosion

Conbustible substances when burnt release a lot of energy instantly in the form of heat, light and sound. This type of combustion is known as explosion .Burning of coal dust in coal mines is an example of it.

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Burning of coal dust in coal mine is an example of

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