Question

Iron gets destroyed due to continuous contact with the environment.

1. Name the phenomenon. 

2. Suggest some prevention methods. 

3. Explain any one prevention method.

Answer 1

1. Corrosion

2. Some prevention methods

• By using non-metallic coating
• By using metallic coating
• Cladding
• Cathodic protection
• Alloy formation

3. Metallic coating or electroplating iron is coated with zinc. Iron thus obtained is called galvanised iron. Coating of an electropositive metal on the metal surface.