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The process of deterioration of a metal due to unwanted chemical or electrochemical interaction of the metal with its environment is called ___________

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The process of deterioration of a metal due to unwanted chemical or electrochemical interaction of the metal with its environment is called ___________

(a) Electrolysis

(b) Electrodialysis

(c) Corrosion

(d) Deposition

I have been asked this question by my school principal while I was bunking the class.

Question is taken from Causes and Effects of Corrosion in portion Corrosion, Electrolysis, Fuel Cells and Batteries of Engineering Chemistry II

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The correct answer is (c) Corrosion

To explain I would say: The process of deterioration of a metal due to unwanted chemical or electrochemical interaction of the metal with its environment is called corrosion. It is a natural process, which converts a refined metal to a more stable form, such as its oxide, hydroxide, or sulfide.

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