Q6Multiple choice
Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
- (a)It is more than 7 metres high.
- (b)It weighs about 6000 kg.
- (c)It was built more than 1600 years ago.
- (d)It has not rusted after such a long period.
Show answer
(d) It has not rusted after such a long period.