For prevention of corrosion of iron by cathodic protection:
A
Iron is converted into cathodic site.
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B
Iron is converted into anodic site.
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C
Iron is brought in contact with a metal that is more easily reduced.
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D
Both (a) and (c)
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Solution
The correct option is A Iron is converted into cathodic site. Cathodic protection: A technique to control corrosion of a metal surface by making it work as a cathode of an electrochemical cell by placing in contact with the metal that is more easily oxidised (like zinc)