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________ is the commonly accepted theory of corrosion.

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________ is the commonly accepted theory of corrosion.

(a) Direct corrosion

(b) High temperature oxidation

(c) Electrochemical corrosion

(d) Galvanic action theory

I have been asked this question in unit test.

Origin of the question is Cement Concrete Construction in division Cement Concrete Construction of Construction & Building Materials

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Right answer is (c) Electrochemical corrosion

Easiest explanation: According to Electrolytic theory or Electrochemical corrosion, the corrosion takes place due to chemical action in combination with electrolysis. It takes place at or near the room temperature when the metal comes into contact with moisture in contact with aqueous solution of salt, acid or bases.

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