(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Chemistry

Give the formula of liquid ammonia.

What is liquor ammonia fortis?

Mention two possible ways by which ammonia produced is removed from unchanged gases.

How will you demonstrate the solubility of ammonia in water? Explain.

List the properties of ammonia that make it a good refrigerant.

Describe two tests to identify ammonia and ammonium ions in an aqueous solution.

Choose the correct word or phrase from the bracket to complete the following sentence: 
 Heating ammonium chloride with sodium hydroxide produces ______.

Choose the correct word or phrase from the bracket to complete the following sentences.

Heating solution of ammonium chloride with sodium nitrite produces ______

State your observation for the following cases

(i) Ammonia gas is burnt in an atomosphere of oxygen in the absence of a catalyst

(ii) Glass rod dipped in ammonium hydroxide is brought near the mouth of the concentrated hydrochloric acid bottle

The diagram shows a simple arrangement of the fountain experiment:

(i) Name the two gases you have studied which can be used in this experiment

(ii) What is the common properly demonstrated by this experiment

 Name the other ion formed when ammonia dissolves in water

Name the gas evolved when the following mixtures are heated.

Calcium hydroxide and ammonium chloride.