Question

MCQ : In cathodic protection of iron, which is acting as an anode?

  • Category: Metallurgy
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Answer

Question

In cathodic protection of iron, which is acting as an anode?

  1. iron
  2. Magnesium
  3. Platinum
  4. H2O

Answer

(b) Magnesium

Explanation:

In the cathodic protection of iron, another metal with a more negative electrode potential is used as the anode to protect the iron from corrosion. Typically, a more reactive metal such as magnesium or zinc is used as the anode.

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