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2839

Q:

Gunpowder consists of a mixture of : 

  • 1
    Sand and TNT
  • 2
    TNT and charcoal
  • 3
    Calcium, Sulphur and charcoal
  • 4
    Sulphur, potassium nitrate and charcoal
  • Show Answer
  • Workspace

Answer : 4. "Sulphur, potassium nitrate and charcoal "

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