(English Medium) ICSE Class 10 - CISCE Important Questions

Write balanced chemical equations for the following:

When the excess of ammonia is treated with chlorine.

Write balanced chemical equations for the following:

An equation to illustrate the reducing nature of ammonia.

Identify the cations in the following case :

NH₄OH Solution, when added to the Solution (B), gives white ppt which does not dissolve in excess.

Identify the cations in the following case:

NaOH Solution, when added to Solution (C), gives white ppt which is insoluble in excess

Select from the list the gas that matches the description given in case

[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]

This gas is used as a reducing agent in reducing copper oxide to copper

State one relevant observation for the following

When ammonia gas is burnt in an atmosphere of excess oxygen.

The acid which is prepared by catalytic oxidation of ammonia.

Give balanced chemical equations for Reaction of ammonia with excess chlorine.

Give balanced chemical equations for Reaction of ammonia with sulphuric acid.

Ammonia gas is collected by ______.

Distinguish between the given pair of compounds using the test given within brackets:

Iron (II) sulphate and iron (III) sulphate (using ammonium hydroxide)

State your observation When calcium hydroxide is heated with ammonium chloride crystals.

Name the other ion formed when ammonia dissolves in water.

State the conditions required for the given reaction to take place:

Catalytic oxidation of ammonia to nitric oxide.

Ammonia reacts with excess chlorine to form ______.

 Write a balanced chemical equation for each of the following reactions : 
Ammonium hydroxide is added to ferrous sulphate solution. 

Ammonia gas is passed over heated copper (I) oxide. 

Identify the substance underlined:
The catalyst used to oxide ammonia. 

 Identify the substance underlined: 
The organic compound which when solidified, forms an ice like mass.

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