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

Chemistry
JAMB 1994

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
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Correct Answer: Option A
Explanation

In cathodic protection,iron object is made cathode by connecting it with reactive elements like magnesium,zinc.

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