Process of heating the concentrated ore to high temperature in excess of air is called:

A ) roasting ✅

B ) smelting

C ) bessemerization

D ) all of the above

Related Questions
  1. Brown hair contains:
  2. When heated crude oil is fed up to the fractionating tower:
  3. Metallurgy involves which of the following steps?
  4. Which one is the ore of copper?
  5. Crude oil is heated in the fractionating furnace Upto:
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