The cyanide process is used in the extraction of:

$Ni$ anode is used in the electrolytic extraction of

Aluminium is obtained by:

To obtain silver from silver amalgam,it is heated in a vessel which is made of

Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: The reduction of a metal oxide is easier if the metal formed is in liquid state than solid state.
Reason $R$: The value of $\Delta G^{\ominus}$ becomes more on negative side as entropy is higher in liquid state than solid state.
In the light of the above statements,choose the most appropriate answer from the options given below.

The type of iron obtained from a blast furnace in the extraction of iron is: