How Does Gunpowder Work?

Answer

Gunpowder works on the principle of expanding gases; nitrogen and carbon dioxide provide the propelling action. Gunpowder is made of Carbon which burns when ignited, Saltpetre which provides combustion, oxygen and Potassium nitrate which provides the nitrogen on combustion. All these elements on heating will expand and provide pressure which propels.
Q&A Related to "How Does Gunpowder Work"
Gunpowder is a Chinese powder made of sulfur, charcoal and potassium nitrate. Gunpowder is used in fireworks, firearms and is highly explosive.
http://answers.ask.com/Society/Holidays/what_is_gu...
The first gunpowder was a black powder, a combination of potassium nitrate (saltpeter) sulfur and charcoal. The Chinese used black powder for fireworks and signals by the 10th century
http://www.ehow.com/facts_6174992_gunpowder_.html?...
1 Get your hands on some saltpeter. Saltpeter is the common name for potassium nitrate. In the days when black powder was widely used, saltpeter was manufactured from bat guano or
http://www.wikihow.com/Make-Gunpowder
Gunpowder:1:a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used
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