$A$ mixture of sodium chloride and ammonium chloride is separated by:

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A:$ $A$ mixture contains benzoic acid and naphthalene. The pure benzoic acid can be separated out by the use of benzene.
Reason $R:$ Benzoic acid is soluble in hot water.
In the light of the above statements,choose the most appropriate answer from the options given below.

On the basis of which physical property does the separation of different fractions in the fractional distillation technique take place?

$A$ mixture of iodine and sodium sulphate is separated by:

Which of the following sets of components form a homogeneous mixture?

Separation of $Acetone$ and $Benzene$ from their mixture is carried out by