Chemistry
Give reasons for the following:
Conversion of concentrated ore to it's oxide is an essential step in the extraction of metals from the ore, even then the step is not necessary in the metallurgy of aluminium.
Related Questions
Give reasons for the following:
In the froth floatation process, the ore floats on the top & the gangue settles down.Give reasons for the following:
Magnetic separation is not used during the dressing of bauxite ore in the extraction of aluminium.Give reasons for the following:
Roasting of the concentrated ore is carried out in the presence of excess air, while calcination of the concentrated ore in the absence or limited supply of air.Give reasons for the following:
Roasting the ore generally results in evolution of sulphur dioxide gas, while calcination of the ore evolves carbon dioxide gas.