Which option correctly lists the components of black powder?
Question and options
Which option correctly lists the components of black powder?
- Charcoal, sulfur and potassium chlorate
- Charcoal, sulfur and ammonium nitrate
- Sulfur, potassium nitrate and aluminium
- Charcoal, sulfur and potassium nitrate
Answer and explanation
Correct answer: D - Charcoal, sulfur and potassium nitrate
Black powder (gunpowder) is roughly 75% potassium nitrate, 15% charcoal and 10% sulfur. Potassium chlorate and ammonium nitrate are oxidisers of other explosive mixtures, and aluminium powder belongs to flash compositions, not to black powder.
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