Aluminium containing alumina as impurity can be refined by poling or n – InterviewSolution

1.	Aluminium containing alumina as impurity can be refined by poling or not. Why?
Answer» SOLUTION :Aluminium containingaluminacannot be refined by poling. Aluminium is more ELECTROPOSITIVE , thushydrocarbonsreleased from green wood poles and CARBON cannot reduce ALUMINA.

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