Most of the explosions in mines occur due to the mixing of methane with air.

Methane (CH4) is a highly flammable gas that is commonly found in coal mines and other underground mines. It is released as a natural byproduct of the geological formation of coal and can accumulate in pockets within the mine. When methane mixes with air in the presence of an ignition source, such as a spark or flame, it can result in a highly explosive mixture.

Methane gas explosions in mines can be extremely dangerous and can lead to significant loss of life and property. To mitigate the risk of explosions, mine operators take various safety measures, including the use of ventilation systems to remove methane from the mine atmosphere and the implementation of strict protocols for monitoring and controlling methane levels.

It`s important to note that other gases, such as hydrogen, oxygen, and acetylene, can also be flammable and pose explosion risks in certain contexts. However, in the context of mine explosions, methane is the primary gas involved.