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 :

Which one of the following set of elements can be detected using sodium fusion extract?

The addition of silica during the extraction of copper from its sulphide ore :-

The statement is incorrect about Ellingham diagram is