Question

what is meant by term passivity.what is its significance?​

Answer 1

Passivity refers to a corrosion preventative mechanism whereby an oxidation layer forms a continuous film on a metal's surface that prevents further corrosion. Passivity is the loss of electrochemical reactivity, thereby decreasing the corrosion rate of the metal.

Answer 2

Answer:

1. Passivity refers to a corrosion preventative mechanism whereby an oxidation layer forms a continuous film on a metal's surface that prevents further corrosion
2. Passivity is the loss of electrochemical reactivity, thereby decreasing the corrosion rate of the metal.