जस्ते की परत नष्ट होने के बाद भी यशदलेपित वस्तु जंग से सुरक्षित रहती है। कैसे?
Answers
If the zinc coating is broken, the galvanized object remains protected against rusting, as zinc is more reactive than iron and therefore can be easily oxidized. So when the zinc layer breaks down, the zinc continues to react and oxidize. The iron object is thus protected.
A galvanized item is protected against rusting, even if the zinc coating is broken. Can you explain it? ... Zinc is more reactive than iron and loses electrons more easily. The outer zinc layer of any galvanized material reacts with atmospheric oxygen to form zinc oxide (ZnO), which is stronger than zinc.
A galvanized iron product is protected against rusting, although the zinc layer oxidizes more easily than iron. So when the zinc layer on the surface of a galvanized iron object is broken, then the zinc continues to corrode, but the iron object does not corrode or rust.
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