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
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 FreeMore Metallurgy Questions
Which one of the following reactions is an example of calcination process ?...Which of the following is(are) sulphide ores?...Hydrogen is not more reactive at ordinary temperature, because at ordinary temperture it is in its :...If velocity of a particle A is 50% of velocity of particle B and mass of B is 25% more than mass of A. If wavelength of ...Match the ores listed in column I with the type of ores listed in column II and select the correct. alternate. Column I ...