Q. The use of Heat treatment of ore that includes smelting and roasting is termed as

(A) Cry metallurgy
(B) Pyrometallurgy
(C) Electrometallurgy
(D) Hydrometallurgy

✅ Correct Answer: (B) Pyrometallurgy

Published by Admin ⭐ 38.37K Points at 23-Jan-2021 08:12 am in Science

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