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Corrosion involves _______ reactions.

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Corrosion involves _______ reactions.

(a) oxidation

(b) reduction

(c) displacement

(d) both oxidation and reduction

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This question is from Corrosion and its Classification topic in section Corrosion Principles of Corrosion Engineering

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Correct choice is (d) both oxidation and reduction

Explanation: Corrosion is an electrochemical reaction. It occurs by therelease and gain of electrons from various species which are termed as oxidation and reduction respectively. It can be observed with change in the oxidation state of the species.

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