To prevent the corrosion of the anode in the | vedclass

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(C) In the Hall-Heroult process,the graphite anode is susceptible to oxidation by the oxygen gas liberated at the anode,which leads to its corrosion.

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Coke powder is sprayed at the top of electrolyte melt

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(C) In the Hall-Heroult process,the graphite anode is susceptible to oxidation by the oxygen gas liberated at the anode,which leads to its corrosion. To prevent this,$Coke$ powder is sprinkled on the surface of the molten electrolyte. This layer of $Coke$ powder prevents the oxygen from coming into contact with the graphite anode,thereby protecting it from oxidation.

To prevent the corrosion of the anode in the Hall-Heroult process,which of the following action is done?

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