(i) What is corrosion of metals ?
(ii) Name a metal which does not corrode.
(iii) Give two methods to prevent corrosion of metals.

Name two metals which donot get corroded.

Write various methods to prevent corrosion.

Corrosion of metals involves :

Method used to prevent the corrosion of aluminium.

What do you mean by corrosion of metals ?

Which metals do not corrode easily?

Which metals do not corrode casily?

(a) What is corrosion? (b) Name any two metals which do not corrode easily. (c) What is the corrosion of iron known as? (d) Explain why aluminium is a highly reactive metal, still it is used to make utensils for cooking.