Discussion
Deflagration is referred as :
Answer: B
Deflagration is a very rapid oxidation reaction accompanied by the generation of a low-intensity pressure wave that can disrupt the surroundings.
In a deflagration the reaction front moves through the material by heat transfer at less than the speed of sound in it. It produces a rapid push of hot gases, as in black powder or smokeless propellant, which is why low explosives deflagrate.
The first option describes detonation, in which a supersonic shock wave carries the reaction and produces a violent shattering effect, the behaviour of high explosives. Removing a safety fuse and the expansion of gases are not definitions of deflagration.
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