METAL EXTRACTION
MINERALS
Minerals are the rocks which contains metal.
ROCKS
Rocks are the minerals from which metals can be extracted profitably.
REDUCTION OF METAL OXIDES
Since most of the metals exist in the form of oxides, they can be extracted by reducing the ore.
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By HYDROGEN
All the metal below hydrogen can be reduced by hydrogen
BY CARBON
All metal below carbon can be extracted by carbon
BY ELECTROLYSIS
Metals that are above carbon and hydrogen will be extract by Electrolysis
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References:
BBC Bitesize
Wikipedia
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