1) Gunpowder or firework 
(from the article `explosive`) Basically, chemical explosives are of two types: (1) detonating, or high, explosives and (2) deflagrating, or low, explosives. Detonating explosives, ...
Low explosive material whose propagation occurs by deflagration often producing large volumes of hot, smoky gas.
noun an explosive with a low rate of combustion
a relatively slow-burning explosive, usually set off by heat or friction, used for propelling charges in guns or for ordinary blasting.