Nitriding is the process of surface hardening of steel by treating it in an atmosphere of
A.
$$N{H_3}$$
B.
$${N_2}$$
C.
$${O_3}$$
D.
$${H_2}S$$
Answer :
$$N{H_3}$$
Solution :
Nitriding is the process of heating of steel in the presence of ammonia. In this process the layer of iron nitride is formed which prevent the rusting of iron.
Releted MCQ Question on Inorganic Chemistry >> D and F Block Elements
Releted Question 1
When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is