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Mark Scheme (Results) Summer 2013
Aug 23, 2013 · alumina/aluminium oxide) OR to lower the (operating) temperature Accept to lower melting point (of mixture/electrolyte) Reject to lower melting point of alumina/aluminium oxide/aluminium/bauxite Accept to reduce (heat) energy requirement Accept to increase the conductivity of the mixture/electrolyte/alumina Reject acts as a catalyst 1
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