The Zn acts as sacrificial or cathodic porection to prevent rusting of – InterviewSolution

1.	The Zn acts as sacrificial or cathodic porection to prevent rusting of iron because :
Answer» `E_(OP)^@ of_(Zn) LT E_(OP)^@ of FE` `E_(OP)^@ of_(Zn) gt E_(OP)^@ of Fe` `E_(OP)^@ of_(Zn) =E_(OP)^@ of Fe` Zn is cheaper than iron Answer :B

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