Question

An ore is concentrated by froth flotation method. That concentrated ore will be converted to its oxide form by___ process.

• A. roasting
• B. calcination
• C. liquation
• D. electrolytic refining

Answer 1

The correct option is A roasting

Roasting is the process of heating the concentrated ore at a temperature below its melting point in the current of air.
An ore is concentrated by froth flotation method. That concentrated ore will be converted to its oxide form by roasting process.