How many of the following involves carbon reduction during extraction of metal from ore ? Bauxite `to Al implies "Copper pyrites" to Cu` Haematile `to
How many of the following involves carbon reduction during extraction of metal from ore ?
Bauxite `to Al implies "Copper pyrites" to Cu`
Haematile `to Fe implies "Galena " to Pb`
Camallite `to Mg implies "Sylvine" to K`
Cassiterite `to Sn implies "Zinc blende" to Zn`
Silica `to` Si `implies`
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Correct Answer - 5
Haematite `to `Fe
Galena `to` Pb
Cassiterite `to` Sn
Zinc blende `to` Zn
Silica `to` Si
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