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The most durable metal plating on iron to protect against corrosion is [1994]
  • a)
    nickel plating
  • b)
    copper plating
  • c)
    tin plating
  • d)
    zinc plating.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The most durable metal plating on iron to protect against corrosion is...
This is because zinc has higher oxidation potential than Ni, Cu and Sn. The process of coating of iron surface with zinc is known as galvanization. Galvanized iron sheets maintain their lustrue due to the formation of protective layer of basic zinc carbonate.
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The most durable metal plating on iron to protect against corrosion is [1994]a)nickel platingb)copper platingc)tin platingd)zinc plating.Correct answer is option 'D'. Can you explain this answer?
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