The $CORRECT$ match is:
Ores - Common extraction method

Wrought iron is the purest form of iron. Write a reaction used for the preparation of wrought iron from cast iron. How can the impurities of sulphur,silicon and phosphorus be removed from cast iron?

Although thermodynamically feasible,in practice,magnesium metal is not used for the reduction of alumina in the metallurgy of aluminium. Why?

Given below are two statements.
Statement $I:$ The choice of reducing agents for metals extraction can be made by using Ellingham diagram,a plot of $\Delta G$ vs temperature.
Statement $II:$ The value of $\Delta S$ increases from left to right in Ellingham diagram.
In the light of the above statements,choose the most appropriate answer from the options given below:

In the Mc Arthur Forest method,silver is extracted from the solution of $Na[Ag(CN)_2]$ by the use of:

The reduction of $Al$ oxide cannot be carried out by chemical reactions because .....