Question

I To prevent rusting a layer of
metal is applied on iron sheets​

Answer 1

Answer:

To prevent rusting, a layer of zinc metal is applied on iron sheets. Reason: Zinc is a non-corrosive metal. Therefore, layer of zinc prevents rusting.

Answer 2

Explanation:

As zinc starts rusting earlier in comparison to iron,a layer of zinc is applied to prevent further rusting.this method is called galvanization