Question

Gun powder is a mixture of
(i) Nitre
(ii) Sulphur
(iii) Sand
(iv) Charcoal

• A. (i), (ii) and (iii)
• B. (i), (ii) and (iv)
• C. (ii) and (iii)
• D. (ii), (iii) and (iv)

Answer 1

The correct option is B (i), (ii) and (iv)

Nitre is a mineral form of potassium nitrate. Gunpowder is a mixture of potassium nitrate, sulphur and charcoal.
Hence, the correct answer is option (b).