Question

if the zinc coating is broken then also iron or steel can be protected from rusting.how?​

Answer 1

Answer:

If the zinc coating is broken, the galvanized object remains protected against rusting because zinc is more reactive than iron and hence can be easily oxidized. Thus when zinc layer breaks down, the zinc continues to react and get oxidized. Hence iron object is protected.

Answer 2

Answer:

as if zinc coating is broken the Stainless Steel

doesn't get rusted as it as an alloy which is not easily corroded

but there are chances that iron get rusted if it is placed in both air and watered area

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