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Question

Which of the following electrolysis is used in downs process of extracting sodium metal?

A

NaCl + KCl + KF

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B

NaCl

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C

NaOH + KCl + KF

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D

NaCl + NaOH

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Solution

The correct option is A

NaCl + KCl + KF


In down's process KCl and KF are used along with NaCl to reduce the operating temperature from 801 degree Celsius to 600 degree Celsius.

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