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An aqueous solution of Al2O3 is electrolysed. Name the element collected at anode.

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An aqueous solution of Al2O3 is electrolysed. Name the element collected at anode.
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In the electrolysis of molten alumina, Na3 AlF6 or CaF2 is added to pure alumina to lower the melting point and to increase the conductivity of the electrolyte. Here oxygen gas is liberated at the anode, while aluminium is collected at the anode.

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