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Sodium is made by the electrolysis of a ...

Sodium is made by the electrolysis of a molten mixture of about `40%` NaCl and `60%` CaCl_(2)` because

A

`CaCl_(2)` helps in conduction of electricity

B

this mixture has a lower melting point that NaCl

C

`Ca^(2+)` can displace Na from NaCl

D

`Ca^(2+)` can reduce NaCl to Na

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The correct Answer is:
B
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