Essential Chemistry for IGCSE - Electricity And Chemistry (Section 8 - No. 11)
During the extraction of aluminum, why is it important to keep the electrolyte at a high temperature for long periods of time?
To allow the aluminum to cool.
To ensure the aluminum oxide is molten.
To prevent the formation of oxygen gas.
To remove the carbon.
Explanation
Aluminum oxide needs to be molten to allow electrolysis to occur.
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