(English Medium) ICSE Class 10 - CISCE Important Questions for Chemistry

 Name the gas evolved in each of the following cases : 
Alumina undergoes electrolytic reduction.

 Name the gas evolved in each of the following cases :
Ethene undergoes hydrogenation reaction. 

Name the gas evolved in each of the following cases :
Ammonia reacts with heated copper oxide.

Study the flow chart given and give balanced equations to represent the reactions A, B and C:

\[\ce{Mg3N2 ->[A] NH3 <=>[B][C] NH4Cl}\]

 Copy and complete the following table which refers to the industrial method for the preparation of ammonia and sulphuric acid: 

Name the gas evolved when the following mixtures are heated.

Calcium hydroxide and ammonium chloride.

Write a balanced chemical equation for the following:

When an excess of ammonia is treated with chlorine.

Give a balanced chemical equation for the following:

Lab. preparation of ammonia using an ammonium salt.

Give balanced chemical equations for of the following :

Reaction of ammonia with excess chlorine.

Give a balanced chemical equation for the following:

Reaction of ammonia with sulphuric acid.

State the following:

Products are formed when ammonia is burnt in excess of oxygen.

Write a balanced equation for the following conversion:

Nitrogen trichloride from ammonia.

Identify the terms for the following:

The experiment which demonstrates high solubility of ammonia gas.

The catalyst used in the oxidation of ammonia is ______.

The product formed when ammonia reacts with oxygen is ______.

The metallic hydroxide which forms a deep inky blue solution with excess ammonium hydroxide solution is ______.

State the terms/process for the following:

The name of the process by which Ammonia is manufactured on a large scale.

State a relevant reason for the following:

Ammonia gas is not collected over water.

State one relevant observation for the following:

Burning of ammonia in excess of oxygen.

A compound which undergoes thermal dissociation.