Question

corrosion and its prevention

Answer 1

Corrosion it is the process in which metal is attacked by atmospheric moistures and gases leading to erosion or formation of rust this is called corrosion.

Prevention :-

Alloying , Greasing ,painting ,oiling etc

Answer 2

1.prevented by painting.

2.prevented by grease or oil.

3.prevented by galvanisation.

4.prevented by alloying it to make stainless steel.

5.prevented by tin-plating nd chromium plating.