Iron galvanized with zinc is cathodically protected from corrosion. This is because?
CHEMISTRY
JAMB 1990
Iron galvanized with zinc is cathodically protected from corrosion. This is because?
- A. zinc has a more positive oxidation potential than iron
- B. zinc has less positive oxidation potential than iron
- C. bith have the same oxidation potential
- D. zinc is harder than iron
Correct Answer: B. zinc has less positive oxidation potential than iron
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