Explain the chemistry behind crystallization.

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

Explain the chemistry behind the formation of acid rain?

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

Give the chemistry behind distillation under reduced pressure.

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

Cement is an important building material employed in different kinds of construction works.Explain the Chemistry involved in the setting of cement.

Bromoethane when treated with alcoholic KOH gives ethene, KBr and H_2O . Explain the rule behind the above reaction .

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?

Lanthanoid contraction is a term often associated with the chemistry of transition and inner transition element. Explain the term Lanthanoid constractions. How does it affect the chemistry of Lanthanoid and that of Zr, Hf element.

A few drops of NaOH solution are added to orange red potassium dichromate solution, colours changes to yellow:- To this yellow coloured solution,dilute HCI is added. Orange red colour reappears. Give the chemistry behind this.