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+2 votes
6.6k views
in Chemistry by (51.7k points)
Explain why, the galvanised iron article is protected against rusting even if the zinc layer is broken.

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+2 votes
by (266k points)
 
Best answer

The galvanised iron article is protected against rusting even if the zinc layer is broken because zinc is more easily oxidised than iron. So when zinc layer on the surface of the galvanised iron article is broken, then zinc continues to corrode but the iron article does not corrode or rust.

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