Advertisements
Advertisements
Question
Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
Options
It is more than 7 metres high.
It weighs about 6000 kg.
It was built more than 1600 years ago.
It has not rusted after such a long period.
Advertisements
Solution
It has not rusted after such a long period.
Explanation:
Iron pillar near Qutub Minar in Delhi is famous for its stability because it has not rusted over a long period.
APPEARS IN
RELATED QUESTIONS
Explain how painting of an iron gate prevents it from rusting.
Fill in the following blank with suitable word:
The corrosion of iron is called ................
What is corrosion?
If copper is kept exposed to damp air for a considerable time, it gets a green coating on its surface. This is due to the formation of:
(a) hydrated copper sulphate
(b) copper oxide
(c) basic copper carbonate
(d) copper nitrate
What is corrosion? What are necessary conditions for corrosion?
Corrosion can be an advantage in some case.Explain ?
Corrosion of silver causes a black layer of _______.
What is rust?
Amalgam is an alloy of ____________.
Explain the following:
Bubbles are produced when acetic acid is added to a solution of sodium hydrogencarbonate.
