" 2.What is corrosion? How does iron get corroded? "

What is corrosion of iron called?

What is corrosion? Do gold ornaments corrode? Justify.

In corrosion of iron

What is corrosion? How does it effect different metals?

a. Define corrosion. b. What is corrosion of iron called? c.Why corrosion of ironis a serious problem? d. How we can prevent corrosion of iron? e. How will you recognise the corrosion of silver? OR Why does silver turn blackish when exposed to air?

What is corrosion ? How is cathodic protection of iron different from its galvanisation ?

(i) Define corrosion . (ii) What is corrosion of iron called? (iii) How will you recognise the corrosion of silver? (iv) Why corrosion of iron is a serious problem ?

What is corrosion? Why aluminium sheets do not corrode easily? Write two necessary conditions for corrosion to take place.