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The term ________ is define as an act or process of gradual wearing away of a metal due to chemical or electro chemical reaction by its surrounding such that the metal is converted into an oxide, salt or some other compound.

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The term ________ is define as an act or process of gradual wearing away of a metal due to chemical or electro chemical reaction by its surrounding such that the metal is converted into an oxide, salt or some other compound.

(a) Precipitation

(b) Dissolution

(c) Erosion

(d) Corrosion

I have been asked this question during an interview.

The origin of the question is Cement Concrete Construction in section Cement Concrete Construction of Construction & Building Materials

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Correct answer is (d) Corrosion

Easiest explanation: A substance known as rust results from corrosion. In other words, the Corrosion indicates the deterioration and loss of material due to chemical attack.

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