Which of the following electrolytes is used in Downs' process of extracting sodium metal?

N a O H + K C l + K F

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N a C l + C a C l_{2}

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N a C l + N a O H

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N a C l

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Solution

The correct option is B $N a C l + C a C l_{2}$
This is the modern method which involves the electrolysis of fused $N a C l$ containing $C a C l_{2}$ to reduce the fusion temperature.

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Which of the following process is generally used for extracting sodium metal?

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