Name a suitable technique of separation of the components from a mixture of calcium sulphate and camphor.

What are the macroscopic properties of matter?

When is fractional distillation used?

Which of the following substances consists of only one element?

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.

What is the process of converting a solid directly into a gaseous state called?