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12 questions from this quiz
It's too reactive for carbon reduction
Bauxite
Al2O3Al_2O_3Al2O3
It lowers the melting point
Graphite electrodes
Al3+Al^{3+}Al3+ ions
They gain electrons and are reduced
It's denser than the mixture
O2−O^{2-}O2− ions
They lose electrons and are oxidised
Carbon dioxide
Molten
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