The first chemical explosive, Gunpowder, is a mixture of A. Sulfur, Charcoal and Nitrogen Oxide B. Sulfur, Charcoal, and Potassium Nitrate C. Sulfur and Charcoal D. Charcoal and Potassium Nitrate Answer: A . Sulfur, Charcoal, and Potassium Nitrate 0Shares0 0