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Nitriding is a process of hardening stee...

Nitriding is a process of hardening steel by treating it inan atmosphere of

A

`NH_(3)`

B

`N_(2)`

C

`O_(3)`

D

`H_(2)S`

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The correct Answer is:
A
Nitriding is the process of heating of steel in the presence of ammonia. In this process the layer or iron nitride is formed which prevent the rusting of iron.
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