In an electrolytic set-up to protect iron from corrosion, the iron is?

In an electrolytic set-up to protect iron from corrosion, the iron is?
  • A.
    made cathode
  • B.
    made anode
  • C.
    used with a metal of lower electropositive potential
  • D.
    initially coated with tin
Correct Answer: Option D
Explanation
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