For glavinizing of iron which of the following metals is used ?
Correct answer: A. Zinc
- A. Zinc
- B. Copper
- C. Aluminimum
- D. Lead
Explanation
Galvanizing protects iron by coating it with zinc, which acts as a barrier and also corrodes preferentially if the coating is damaged. This sacrificial protection is why zinc is used rather than copper or lead.
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