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In the extraction of sodium by Down's pr...

In the extraction of sodium by Down's process cathode and anode are respectively.

A

Copper and nickel

B

Copper and chromium

C

Nickel and chromium

D

Iron and graphite

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The correct Answer is:
(d)
In extraction of sodium by Down's process, anode is made by graphite and cathode is made by iron.
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