It is well understood that the gas mainly responsible for explosion in coal mines is-

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Methane. Most of the explosions in mines occurs due to the mixing of methane with air. Methane explodes at volumetric concentration in the air of 4.9 to 15.4%. Methane is formed as a byproduct of the coal formation. The methane that is absorbed in the coal is released as the coal is mined or it migrates from surrounding sources above or below the coal seam through fractures created by the coal extraction process. (ii) Explosives

It is well understood that the gas mainly responsible for explosion in coal mines is-

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