Forensic Medicine Black gun powder composition ? A Charcoal 60% + Potassium nitrate 20% + sulphur 20% B Charcoal 25% + Potassium nitrate 70% + sulphur 05% C Charcoal 15%+ Potassium nitrate 75% + sulphur 10% D Charcoal 65% + Potassium nitrate 20% + sulphur 15% 💡 Explanation Black gun powder composition ? ✓ Correct Answer: C. Charcoal 15%+ Potassium nitrate 75% + sulphur 10%