Gun powder uses_____________________?
Correct answer: D. All A , B, & C.
- A. Sulphur
- B. Charcoal
- C. Potassium nitrate
- D. All A , B, & C.
Explanation
Traditional gunpowder is a mechanical mixture of potassium nitrate as the oxidizer, charcoal as the fuel, and sulphur as a combustible that improves ignition. Therefore all three listed substances are components.
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