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

What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?

Explain with a diagram the preparation of aqueous ammonia.

Give two balanced reactions of the type to show the following property of sulphuric acid:

Dehydrating nature

Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).

Name the acid formed when sulphur dioxide dissolves in water.

Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.

Name the anion present in the following compound:

Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.

Distinguish by a chemical test, sulphuric acid from nitric acid and hydrochloric acid.

State your observation when lead nitrate solution and sodium chloride solution are mixed.

State your observation when zinc chloride solution, zinc nitrate solution, and zinc sulphate solutions are added individually to barium chloride solution.

The gas evolved when dilute sulphuric acid reacts with iron sulphide. 

An acid obtained from concentrated nitric acid on reaction with Sulphur ______.

State the following:

The drying agent used in the laboratory preparation of HCl gas.

Write a balanced equation for the following conversion:

Lead sulphate from lead nitrate and sulphuric acid.

Identify the terms for the following:

A method used to collect HCl gas.

Complete the table given below:

A, B and C are the chemical properties of sulphuric acid:

A. Oxidizing agent

B. Dehydrating agent

C. Non-volatile acid

Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.

1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]

2. \[\ce{C12H22O11 -> 12C + 11H2O}\]

3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]

Which theory was challenged by the synthetic preparation of Urea?

The salt is formed when concentrated sulphuric acid reacts with KNO₃ above 200°C.

The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.