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14 cards from this deck
Electrolysis
Aluminium
Bauxite
Al2O3Al_2O_3Al2O3 (aluminium oxide)
Cryolite
Graphite electrodes
Aluminium ions (Al3+Al^{3+}Al3+)
Gain electrons (reduction)
Al3++3e−→Al(l)Al^{3+} + 3e^- \rightarrow Al(l)Al3++3e−→Al(l)
Sinks to bottom (denser than mixture)
Oxide ions (O2−O^{2-}O2−)
Lose electrons (oxidation)
Oxygen gas and carbon dioxide
Oxide ions react with carbon in graphite anode
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