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

State one relevant observation for given reactions:

Burning of ammonia in air.

Give a balanced chemical equation for Catalytic oxidation of Ammonia

Give a balanced chemical equation for Reaction of Ammonia with Nitric acid

The equation 4NH₃ + 5O₂ → 4NO + 6 H₂O, represents the catalytic oxidation of ammonia. If 100 cm³ of ammonia is used calculate the volume of oxygen required to oxidize the ammonia completely

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.

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)

Write a balanced chemical equation for the following reaction:

Ammonium chloride reacts with calcium hydroxide.

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 ______.

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

Identify the substance underlined:

The catalyst used to oxidise ammonia. 

Identify the substance underlined:

The organic compound which when solidified, forms an ice like mass.