Science, asked by bonnychal246, 10 months ago

why zinc is used as a protective layer

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Answered by kumarigademyy

Answer:

When base steel is exposed, such as at a cut edge or scratch, the steel is cathodically protected by the sacrificial corrosion of the zinc coating. This occurs because zinc is more electronegative (more reactive) than steel in the galvanic series, as shown below.

Answered by hukkuaashi

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