Black Powder

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Across
  1. 2. First major weapon developed by the Chinese.
  2. 3. First 2 staged missile.
  3. 4. Key explosive ingredient in black powder.
  4. 7. Experimented with the ratio of Saltpetre.
  5. 9. Ingredient in black powder with the lowest quantity.
  6. 10. Created the first black powder.
  7. 11. Use of Saltpetre before the creation of black powder.
  8. 12. served as the shell of most of China's weapons.
  9. 14. Developed black powder for Korea.
Down
  1. 1. A 19th-century replacement for black powder.
  2. 3. Device that allowed one person to fire 100 arrows.
  3. 5. Ingredient that comprises 15% of black powder.
  4. 6. Replaced black powder in mining and tunneling.
  5. 8. Results of adding water to create a paste from black powder.
  6. 13. Place where black powder was discovered.