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
A Electrolysis
B Calcination
C Roasting
D. Oxidation​

Answer 1

Answer:

the process done in the empty space is roasting.

HOPE THIS HELPS YOU

Answer 2

The correct answer is C:

Explanation: Steps involved in extraction of metals from their ores are:

1. Concentration of ores to remove impurities.

2. Reduction of ores to get metals : This can be done by 2 processes that are ROASTING & CALCINATION.

3. In this case, ROASTING refers to reduction of SULPHATE ores.

4. It includes purification of metal ores.

Hence, option C supports the question.