Question

Observe the following stages of extraction of a metal from its ore. Sulphide ore → → Reduction → Purification
The process that has to be done in the empty space is

Answer 1

QUE. Observe the following stages of extraction of a metal from its ore. Sulphide ore → → Reduction → Purification

The process that has to be done in the empty space is

ANS.

A. Electrolysis

B. Calcination

C. Roasting

D. Oxidation