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Zinc oxide is dissolved in dilute hydrochloric acid.
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Electrolysis of alumina is done.
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A reaction was brought about between ferric oxide and aluminium.
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Draw a neat labelled diagram Hydraulic separation method.
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Draw a neat labelled diagram Electrolytic reduction of alumina.
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Draw a neat labelled diagram Froth floatation method.
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Draw a neat labelled diagram Magnetic separation method
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Pine oil is used in froth flotation.
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Sodium is always kept in kerosene.
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