Pick out the correct statement?

5501Chemical EngineeringMedium

AStainless steel is nothing but chromium coated steel

BPlastic deformation of a material is its temporary distortion under the action of applied stress

CRusting of iron is not electrochemical in nature

DHardening of a soft metal can be done by alloying it with another metal or non-metal

Correct answer

D. Hardening of a soft metal can be done by alloying it with another metal or non-metal

Explanation

The correct answer is Hardening of a soft metal can be done by alloying it with another metal or non-metal.

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