Corrosion
Corrosion: Overview
This topic explains that oxidation of the surface of a metal due to the action of atmospheric oxygen and water is known as corrosion. Corrosion of iron is called rusting. It can be prevented by galvanisation, chrome plating, alloy formation and electroplating.
Important Questions on Corrosion
The process by which the black coating on silver and the green coating on copper occurs are known as:
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
The number of valence electrons in Mg and Al are respectively
In addition to iron, stainless steel contains________.
Which component of air turns the silver articles black when exposed for a long time?
