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(A) Roasting is a process in which the o...

(A) Roasting is a process in which the ore is heate in presence of air
(R ) Concentration of sulphide ore is done by calcinaiton

A

If both assertion and reason are true and reason is the correct explanation of assertion .

B

if both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
Roasting is a process in which the ore is heated in presence of air . Sulphide ores are concentrated mainly by froth floatation process.
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