Question

why do iron coved with zinc​

Answer 1

Answer:

The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal . Zinc is more reactive than iron, so it oxidises in preference to the iron object.

Answer 2

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• Zinc is more reactive than iron .
• Iron covered with zinc to stop the reaction between oxygen and water .