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The method used to extract a metal from its ore depends upon the stability
of its compound in the ore, which in turn depends upon the reactivity of the
The oxides of very reactive metals, such as aluminium, form stable oxides
and other compounds. A lot of energy is needed to reduce them to extract
the metal.
The oxides of less unreactive metals, such as iron, form less stable oxides
and other compounds.…read more


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