Question

gopiyo Ne Swayam ko bhuli kyon kaha hai​

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.