Why is zinc used in galvanizing iron and not copper
Asked by admin @ in Chemistry viewed by 285 People
Zinc is used in the galvanising of iron and not the copper
Answered by admin @
Zinc is more reactive than iron, it is used to protect it from corrosion because when oxygen in the air reacts with the surface of zinc, a very dense and impermeable coating of zinc oxide is formed and it is this physical barrier that protects the zinc surface from further attack.
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