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For the reaction aA+bB cC+dD the N...

For the reaction
aA+bB cC+dD
the Nernst equatin is given by

A

using very pure electrolytes in two half cells

B

using yery pure metal for anode

C

coating zinc anode with mercury

D

using pure grapnite for cathode

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The correct Answer is:
B, C
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