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In the metallurgy of aluminium,...

In the metallurgy of aluminium,

A

`Al^(3+)` is oxidised to Al (s)

B

graphite anode is oxidised to CO and `CO_(2)`

C

oxidation state of oxygen changes in the reaction at anode

D

Oxidation state of oxygen changes in the overall reaction involved in the process

Text Solution

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The correct Answer is:
B
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