Name the method used for the separation of a mixture of iodine and sodium chloride.

Define an element and provide examples.

Physical properties of ice,water and steam are very different. What is the chemical composition of water in all the three states?

Given below are two statements:
Statement $I :$ $A$ mixture of chloroform and aniline can be separated by simple distillation.
Statement $II :$ When separating aniline from a mixture of aniline and water by steam distillation,aniline boils below its boiling point.
In the light of the above statements,choose the most appropriate answer from the options given below.

In a closed container,there is a mixture of $SO_2$,$CO_2$,and $O_2$ gases. Which sequence of reagents can be helpful to separate them?
$(I)$ Limewater
$(II)$ Acidified potassium dichromate
$(III)$ Alkaline pyrogallol

Which is the best method to separate a mixture of benzoic acid and naphthalene?