General Princip...

According to Ellingham diagram, the oxidation reaction of carbon to carbon monoxide may be used to reduce which of the following oxides at the lower temperature?

Which of the following Ellingham diagram ensures that at temperature ${T_3}$, $A$ can reduce $CO$ ,$B$ can reduce $AO$ ,and $B$ can reduces $CO$ but $'A'$ cannot reduce $BO$? (where $A$, $B$ and $C$ are three unknown element ).

The correct statement regarding the given Ellingham diagram is :

In which of the following chemical leaching is used either in the extraction of metal or in the concentration of ore?

A process of heating ore of a metal in excess of air below its melting point is called:

With respect to an ore, Ellingham diagram helps to predict the feasibility if its:

Chief ore of Iron is

The sulphide ore for which the froth floatation process is not used commercially is:

The idea of froth floatation method came from a person X and this method is related to the process Y of ores. X and Y, respectively, are: 

Ellingham diagram is used for: