Solve this:
(a) What is corrosion ? What are the necessary conditions for corrosion ?
(b) State under what conditions corrosion is faster.
(c) Corrosion can be an advantage in some cases. Ex lain.


 

a)The process in which surface of the metal is attacked constantly by the moisture present in air is called corrosion.
b.)If the amount of water in the atmosphere is increased,the rate of corrosion becomes faster specially in humid conditions.
c)Sometimes corrosion has an advantage as it prevents the metal underneath from further damage.