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Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal ), and potassium nitrate (saltpeter). The sulfur and carbon act as fuels while the saltpeter is an oxidizer.
8 nov 2018 · Il tè Gunpowder (letteralmente “polvere de sparo”) è un famoso tè verde cinese, originario della provincia di Zhejiang, sulla costa orientale della Cina. Il curioso nome di questo tè verde prende origine dalla forma delle foglie, arrotolate in piccoli pallini neri, che ricordano i granelli della polvere da sparo.
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4 giorni fa · Discover the chemistry of gunpowder and Hollywood pyrotechnic effects. gunpowder, any of several low-explosive mixtures used as propelling charges in guns and as blasting agents in mining. The first such explosive was black powder, which consists of a mixture of saltpetre (potassium nitrate), sulfur, and charcoal.
Gunpowder is the first explosive to have been developed. Popularly listed as one of the "Four Great Inventions" of China, it was invented during the late Tang dynasty (9th century) while the earliest recorded chemical formula for gunpowder dates to the Song dynasty (11th century).
6 giu 2019 · 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).
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