Hydrogen Test -...

On burning hydrogen in air, the colour of flame is

Hydrogen peroxide when added to a solution of potassium permanganate acidified with sulphuric acid

The hardness of water is estimated by

How many neutrons are present in tritium nucleus?

Radioactive isotope of hydrogen is

Hydrogen can be prepared by the action of dil \(H_2SO_4\) on

Which of the following is non-reducing?

Ortho- and Para- have

Para and ortho hydrogen are differ in

On reaction with Mg, very dilute nitric acid produces.

Hydrogen acts as a reducing agent and thus resembles

The alum used for purifying water is

The volume of oxygen liberated from 0.68 gm of \(H_2O_2\) is

Lead pipes are not used for carrying drinking water because

Which of the following is responsible for the permanent hardness of water?

Semi-water gas is a mixture of 

Which of the following process is used for the manufacture of \(H_2\)?

Ice floats on water because

The first element of periodic table is

When electric current is passed through an ionic hydride in the molten state