1.

Assertion: Nitriding is a process of heating steel in an atmosphere of nitrogen. Reason: Steel becomes brittle after nitriding.

Answer»

If both assertion and Reason are true and the Reason is the correct explanation of the assertion.
If both assertion and Reason are true but the reason is not the correct explanation of the assertion
If assertion is true but reason is false
If both assertion and reason are false.

Solution :Nitridin is a process of heating STEEL in ANN atmosphere of ammonia. It imparrts a hard COATING of iron nitride on the surface of steel.


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