1.

Assertion (A) : Magnesium is used in sacrificial protection method to prevent corrosion. Reason (R ) : Magnesium is more reactive than iron. When it is coated on the articles made of steel, it sacrifices itself to protect steel.

Answer»

Both (A) and (R ) are CORRECT
Both (A) and ( R) are not correct
(A) is CORREC but(R ) is WRONG
(A) is wrong but (R ) is correct

SOLUTION :N/A


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