For making good quality mirrors plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does not solidify before glass. The metal used can be
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a
tin
b
sodium
c
magnesium
d
mercury
answer is D.
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Detailed Solution
It is because mercury exists as liquid at room temperature.
For making good quality mirrors plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does not solidify before glass. The metal used can be