Question

why galvanised iron is protected against rusting when zinc layer is broken

Answer 1

Hello dear

Here your answer ⤵⤵


once an iron is galvanised then the galvanised article protected against rusting even if the zinc coating is broken . ... Thus, even if the outer layer of zinc undergoes corrosion, the material is getting coated with a stronger substance (ZnO), and thus is better able to resist corrosion

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