Purification And Characterisation Of Organic Compounds Question 111
Question: The process of roasting of an ore is carried out in the
[BHU 1999]
Options:
A) Absence of air
B) Presence of air
C) Limited supply of air
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
In roasting process, the ore (usually sulphide) alone or mixed with other materials is heated in excess of air.
BETA
