The following are some of the methods co...

The following are some of the methods commonly employed for the extraction of metals from their ores. Which of the following methods is generally employed for the extraction of sodium ?

A

Reduction of an oxide with coke

B

Electrolysis of an aqueous solution of a chloride

C

Electrolysis of a molten chloride containing `CaCl_2`

D

Reduction of a chloride with more reactive metal

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The correct Answer is:

C

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