Corrosion
Corrosion: Overview
This topic covers concepts, such as Corrosion, Corrosion of Silver, Corrosion of Copper, Rusting of Iron, Factors Affecting Corrosion, Prevention of Corrosion, Painting and Oiling, Brass, Bronze, Solder, Wonders of Ancient Indian Metallurgy & Amalgam etc.
Important Questions on Corrosion
Which elements are used for galvanization?

Corrosion of copper gives rise to a green coating known as _____.

An alloy that does not contain copper is:



Silver articles become black on prolonged exposure to air. This is due to the formation of


Which alloy is used in the preparation of statues?

Underground pipes made of steel (alloy ofiron) can be protected from rusting if you attach metal block made of a-

If copper is kept open in air, it slowly develops a green coating on its surface due to formation of

Galvanisation is a method of protecting iron from rusting by coating with a thin layer of

Silver articles become black on prolonged exposure to air.This is due to the formation of black coating of:


The rusting of iron articles can be prevented by

Which of the following metals does not corrode?

Which gas is produced when carbon reacts with steam at high temperature?

Which gas is evolved when any active metal reacts with dilute sulphuric acid?

A student puts one big iron nail each in four test tubes containing solutions of Zinc sulphate, Aluminium sulphate, Copper sulphate and Iron sulphate respectively. A reddish brown coating was observed only on the surface of iron nail which was put in the solution of

Which of the following displacement reactions cannot occur?

Which of the following oxide is amphoteric in nature?
