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Which one among the following is used in making gunpowder ?

Options

  1. AMagnesium sulphate
  2. BPotassium nitrate
  3. CSodium stearate
  4. DCalcium sulphate

Correct answer

B. Potassium nitrate

Step-by-step solution

Gunpowder is a mixture of sulfur, charcoal, and potassium nitrate (saltpeter).

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