When the Ellingham plots of Al and Mg intersects, ∆Gobecomes zero for the reaction,2Al2O3+6Mg⟶6MgO+4AlAbove this point, Mg can be used to reduce alumina but it is not generally preferred because
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When the Ellingham plots of Al and Mg intersects, ∆Gobecomes zero for the reaction,2Al2O3+6Mg⟶6MgO+4AlAbove this point, Mg can be used to reduce alumina but it is not generally preferred because