Q4
Determine the correctness or otherwise of the following Assertion(a) and Reason(r): Assertion (a): Deoxidation and decarburisation of liquid steel are done by vacuum treatment process. Reason (r): Decreased partial pressure of CO(g) promotes deoxidation and decarburisation.
A.
a is false but r is true
B.
a is true but r is false
C.
a is true and r is also true, but r is not the reason for a
D.
a is true and r is also true, and r is the reason for a
AnswerAnswer: Option D
Solution
Answer: Option D
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