Which one of the following electrolytes is used in Down's process of extracting sodium metal?

Which one of the following electrolyte is used in Down's process of extracting sodium metal?

Which one of the following electrolyte is used in Down’s process of extracting sodium meta! ?

Which one of the following electrolysis is used in Down's process of extracting sodium mealt ?

The electrolyte used in castner's process of sodium extraction is

Which one of the following reactions occur at the anode in tie Castner process of extracting sodium metal?

The electrolyte, used in Castner's proceed of sodium extraction is

The electrolyte, used in Castner's proceed of sodium extraction is

Which one of the following metals is extracted by carbon reduction process –