Question
Question: The process of roasting of an ore is carried out in the....
The process of roasting of an ore is carried out in the.
A
Absence of air
B
Presence of air
C
Limited supply of air
D
None of these
Answer
Presence of air
Explanation
Solution
In roasting process, the ore (usually sulphide) alone or mixed with other materials is heated in excess of air.