II. State whether the following statements are true or false and rewrite the incorrect D
statements to correct them.
1. Aluminium smelting requires large amounts of power.
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Difference in the specific gravities of ore and gangue particles
Froth Floatation Separates particles based on differences in surface wettability
Leaching To convert the metal ore into a soluble compound and then filter off the impurities as residue.
Magnetic Separation Differences in magnetic properties of the ore components
Note, sulphide ores are mostly separated by froth flotation, leaching is used for aluminium, gold and silver based ores and magnetic
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