Give the chemistry behind distillation under reduced pressure.

What is the difference between distillation, dístillation under reduced pressure and steam distillation?

Explain the chemistry behind crystallization.

Organic compounds have to be purified before analysis. Which type of liquids can be purified using distil lation under reduced pressure? Suggest an example.

Briefly describe the principles of the followig techniques, taking an example in each case. Distillation under reduced pressure

Explain the chemistry behind the formation of acid rain?

Suggest a method to distinguish the following set of compounds.Also explain the chemistry behind a.Chlorobenzene and benzyl chloride b.chlorotoluene and benzyl chloride

i) Rain water and séa, water differ in their behaviour towards soap. Give the difference and establish the chemistry behind this. ii) A water boiler in a factory burst due to high interior pressure. It was reported that the incident was occured due to certain dissolved salt in water used, As a chemistry student how will you explain this?

Give the reason behind the following. Sharp glass edges are heated for making them smooth.