MetallurgyHard

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

Create a free account to view solution

View Solution Free
Topic: Metallurgy·Practice all Metallurgy questions

More Metallurgy Questions

Identify the alloy containing a non-metal as a constituent in it....Flux is used to remove :...Sulfide ores are common for the metals -...Froth floatation process used for the concentration of sulphide ore :...Sulphide ores are generally concentrated by the :...