How will you make natural rubber hard? Explain the chemistry behind it.

Natural rubber has

Explain the chemistry behind crystallization.

In sugar Industry, the raw juice obtanied is usually yellowish brown In colour.Explain the chemistry behind it.

The monomer of natural rubber is

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?

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

Rain water and sea water differ in their behaviour towards soap. Give the difference and establish the chemistry behind this.

Explain the chemistry behind the formation of acid rain?

Hydrogen finds application in the preparation of vanaspathi from vegetable oils. Give the chemistry behind this.

On passing CO_2 through lime water, milkiness appears. On further passing CO_2 , milkiness disappears. What is the Chemistry behind it?