1.

Which of the following diagram is correctly related to refining of gold?

Answer»




Solution :Gold obtained from ectraction steps contains SILVER, COPPER zinc and sometimes lead as impurities.
Cuppelation`rarr` zinc and lead are oxidised and ore blown off.
Parting PROCESS `rarr` Removel to impurities of silver and copper
Miller's process `rarr` To remove chlorine ELECTROLYTIC refining.


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