Q16
Determine the correctness or otherwise of the following Assertion: For the extraction of metal values from their sulphide concentrates by hydrometallurgical route, leaching with oxygen under high pressure is used. Reason: Presence of oxygen under high pressure causes roasting of sulphides, which helps in leaching of the values.
A.
a is true but r is false
B.
a is false but r is true
C.
both a and r are true, and r is the reason for a
AnswerD.
both a and r are true, but r is not the reason for a
Answer: Option C
Solution
Answer: Option C
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