how metals are recovered from their ores
no2:
its easy by refining
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metals are recovered from their ores in 3 processes;
1. concentration of ore : the unwanted impurities called gangue are removed from the ore and a concentrated ore is obtained.
2. conversion of concentrated ore into metal :
1. metals of higher reactivity are extracted by the electrolytic reduction of their molten chlorides.
2. metals of medium reactive are extracted by the reduction of their oxides with carbon, aluminium
3. metals of lower reactive are extracted by the reduction of their oxides by heat
3. refining of ore : purification of metals by electrolytic refining.
1. concentration of ore : the unwanted impurities called gangue are removed from the ore and a concentrated ore is obtained.
2. conversion of concentrated ore into metal :
1. metals of higher reactivity are extracted by the electrolytic reduction of their molten chlorides.
2. metals of medium reactive are extracted by the reduction of their oxides with carbon, aluminium
3. metals of lower reactive are extracted by the reduction of their oxides by heat
3. refining of ore : purification of metals by electrolytic refining.
no. by the prosses of oxidation reduction reaction
i cant understand
it is very easy . if u read it carefully u will understand it .
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Metal extraction from ores occurs in many different ways involving physical, chemical and electrical means. Even ores of the same metal sometimes require different methods of separation depending on the concentration of the metal and its chemical composition within the ore.
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