Question

How rusting is prevented by metallic and non-metallic coating.
List out two methods for each.​

Answer 1

Answer:

there is a process called galvanization it is used for protecting metallic objects from rusting

Answer 2

Metallic :-

1 Galvanisation:- In this process a layer of zinc metal is wound over the iron metal to prevent rusting.

2 Electroplating :- In this process a layer of chromium and nickel is wound over iron as they are corrosive resistant

Non - metallic :-

1 Painting :- Painting iron objects help in extending there life.

2 Oiling and greasing :- Oiling and greasing objects do not allow the iron objects to rust.......