$A$ mixture of camphor and benzoic acid can be separated by:

Describe the method that can be used to separate two compounds with different solubilities in a solvent $S$.

Which of the following undergoes sublimation?

One sample of atmospheric air is found to have $0.03\%$ of carbon dioxide and another sample $0.04\%$. This is evidence that

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.

Which of the following is not an element?