Metallurgy OF Aluminium

Answer the Following: (i) What si the role of cryolite in the metallurgy of aluminium? (ii) Differentiate between roasting and calcination. (iii) What is meant by the term 'chromatography'? OR Write the reaction taking place in different zones of the blast furnace to obtain Iron.

(a) Suggest a condition under which magnesium could reduce alumina. (b) Although thermodynamically feasible, in practice magnesium metal is not used for the reduction of alumina in the metallurgy of aluminium. Why ? ( c) What is the reduction of a metal oxide easier if the metal formed is in liquid state at the temperature of reduction ? (d) At a site, low grade copper ores oare available and zinc and iron scraps are also available. Which of the two scraps would be more suitable for reducing the leached copper ore and why ?

Metallurgy OF Copper

Metallurgy OF Silver and Gold

Thermodynamics of Metallurgy || Ellingham Diagram || Important Points Regarding Ellingham Diagram || Metallurgy OF Copper"

Metallurgy OF Zn,Sn,Au,Ag