Carbon cannot be used to produce magnesium by chemical reduction of $MgO$ because

Which of the following reaction$(s)$ do(es) not occur in Bessemer's converter?

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:

The maximum temperature $1550$ $^oC$ is obtained in the ......... region of the blast furnace used in the extraction of iron.

In the cyanide process involving extraction of silver,zinc is used industrially as an

The electrolytic method of reduction is employed for the preparation of metals that