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19 May, 04:14

Why is layer of zinc deposited over iron?

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Answers (2)
  1. 19 May, 05:04
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    The process for coating metal like iron or steel with a thin zinc layer is known as galvanization. The zinc layer serves to protect the metal from rusting
  2. 19 May, 06:07
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    Since zinc is more reactive than iron, when we galvanize iron with zinc, zinc react with oxygen to form a thin layer of oxide which prevents metal to further corrosion. That thin layer of zinc oxide will protect iron from rusting.
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