1.

Name the metal that is purified by placing the impure metal on sloping hearth of a reverberatory furnace and heating that above its melting point in absence of air.

Answer»

Mercury <BR>Galium
Zirconium
Copper

Solution :It is a liquationprocess.
Ex. Metals LIKE Br, Sn, Pb and Hg are separated form their crude form by liquation.


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