Rapid Combustion
It is a combustion in which a large amount of heat and light is produced in a short time
In easy language,It is a combustion in which a substance burns very fast
Example
When we light a matchstick and bring it near stove,it produces fire rapidly(very fast)
Spontaneous Combustion
Material suddenly burns on its own without any external heat
It happens in case of objects having low ignition temperature
Example
Coal dust in coal mines gets suddenly heated causing fires
White phosphorus burns in air at room temperature
Explosive Combustion(Explosion)
It is a type of combustion in which large amount of gas is formed with heat, light, sound
Example
Lighting of cracker on festivals
