Question

Give one example where corrosion is an advantage rather than a disadvantage​

Answer 1

Answer:

ADVANTAGES OF CORROSION

Protection : Surface corrosion forms an oxide layer which further protects the inner metal form corrosion.

Corrosion prevents corrosion : Some metals like zinc are used as sacrificial anodes to prevent corrosion to other metal.

Galvanic corrosion : The principle on which primary batteries work. In which one metal corrodes preferentially to another when both metals are in electrical contact, in the presence of an electrolyt