Gunpowder Facts, History and Description
2019-6-6 · Gunpowder or black powder is of great historical importance in chemistry. Although it can explode, its principal use is as a propellant. Gunpowder was invented by Chinese alchemists in the 9th century. Originally, it was made by mixing elemental sulfur, charcoal, and saltpeter (potassium nitrate).The charcoal traditionally came from the willow tree, but grapevine, hazel,
