Can any colour other than red be used to protect the silver layer behind the mirror? Please explain.

Asked by Srishti Mallick | 9th Oct, 2013, 08:52: AM

Expert Answer:

A coat is used to protect the silver coating from corrosion or some chemical contact.
 
The coat is a mixture of copper and a paint. This gives the red colour to the coat.
 
There is no specific reason for the coat to be red in colour.

Answered by Romal Bhansali | 14th Oct, 2013, 10:08: AM

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