In the silvering of glass, a thin coat of ______ is first applied on which silver is then deposited.

In the silvering of glass, a thin coat of ______ is first applied on

1.	In the silvering of glass, a thin coat of ______ is first applied on which silver is then deposited.
A.	Tin
B.	Zinc
C.	Iron
D.	Copper
Answer» B. Zinc