Step-by-step explanation:
Black powder, also known as gunpowder. It is the earliest known chemical explosive. It is a mixture of sulphur, charcoal, and nitrate (Typically potassium nitrate which gives oxygen for reaction). Potassium nitrate is most important component in terms of quantity and function. Charcoal is not made up of pure carbon rather it is made up of partially pyrolyzed cellulose.