1.

Assertion : HNO_3 makes iron passive. Reason : HNO_3 forms a protective layer of ferric nitrate on the surface of iron.

Answer»

Both assertion and reason are CORRECT STATEMENTS, and reason is the correct explanation of the assertion.
Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
Assertion is correct, but reason is wrong statement.
Assertion is wrong but reason is correct statement.

Solution : IRON becomes passive due to FORMATION of oxide layer on its SURFACE.


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