When it burns, it does so VERY quickly, producing a cloud of very hot gasses. Those gasses expand rapidly, creating a shock wave. That shock wave pushes against air very quickly, creating sound.
Saltpetre+sulphurSaltpeter + sulfer = Gun powder
Weapon + Gun Powder = Firearm
Weapon + Gun Powder = Firearm
China
China
Gun Powder + Metal
saltpeter + sulfur = gunpowder. Hope this helps.
i think gun powder
Black Powder.
Gun powder is always a mixture.
Potassium nitrate is used to make fireworks and black powder (which is used in gun powder).
gun powder was udes for fireworks, then weapons