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For making good quality mirrors, the pla...

For making good quality mirrors, the plates of flint 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

A

`Sn`

B

`Mg`

C

`Hg`

D

`Na`

Text Solution

Verified by Experts

The correct Answer is:
A
Only the melting point of `Sn(232^(@)C)` is lower than that of glass.
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Knowledge Check

  • 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

    A
    tin
    B
    sodium
    C
    aluminium
    D
    iron

  • For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass over liquid metal which does not solidify before glass. The metal used can be

    A
    tin
    B
    Sodium
    C
    Magnesium
    D
    Mercury

  • Flint glass is obtained from which of the following ?

    A
    Zinc and barium borosilicate
    B
    Sand, red lead and potasium carbonate
    C
    Sodium aluminium borosilicate
    D
    Pure silica and zinc oxide

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