pH of blood is

Natural rubber is a polymer derived from

First atomic theory was proposed by

Which substance is obtained by the hydrolysis of oil?

Washing soda is

Air contains maximum amount of

Human bone does not contain

Homo nuclear molecules contain

Which one of the following metals is the best conductor of electricity?

Which of the following is the lightest metal?

Normal valency of nitrogen is

The isotope atoms differ in

Nucleus of an atom contains

Which one of the following does not contain silver?

Nail polish remover contains

What is a mixture of potassium nitrate powdered charcoal and sulphur called?

Which is the heaviest metal?

Bleaching action of chlorine is by

Radon is

pH of water is

During whose reign was the third Buddhist Council held?

Which of the following contain Buddhist teachings?

Glass is made of the mixture of  

Which one of the following is used as a filter in rubber tyres? 

Which one of the following polymeric materials is used for making bullet proof jacket?