MetallurgyMedium
Question
Copper and tin are refined by :
Options
A.liquation
B.cupellation
C.bessemerisation
D.poling
Solution
This process is used for the purification of copper and tin to remove the impurities of their oxides.
Green wood → Hydrocarbons → CH4 ; 4CuO + CH4 → 4Cu (pure metal) + CO2 + 2H2O
Green wood → Hydrocarbon → CH4 ; 2SnO2 + CH4 → 2Sn + CO2 + 2H2O
Green wood → Hydrocarbons → CH4 ; 4CuO + CH4 → 4Cu (pure metal) + CO2 + 2H2O
Green wood → Hydrocarbon → CH4 ; 2SnO2 + CH4 → 2Sn + CO2 + 2H2O
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