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

Give an equation to show how the following is made from their corresponding anhydride.

sulphurous acid

Give an equation to show how the following is made from their corresponding anhydride.

phosphoric acid

Give an equation to show how the following is made from their corresponding anhydride.

carbonic acid

Give an equation to show how the following is made from their corresponding anhydride.

sulphuric acid

Give one example in the following case:

A weak mineral acid.

How would you obtain salt from another salt?

Distinguish between acidity of bases and basicity of acids.

What happens when ammonia solution is added first dropwise and then in excess to the following solution:

CuSO₄

Write a balanced equation for this reaction.

What happens when ammonia solution is added first dropwise and then in excess to the following solution:

ZnSO₄

Write a balanced equation for this reaction.

What happens when ammonia solution is added first dropwise and then in excess to the following solution:

FeCl₃

Write a balanced equation for this reaction.

What kind of salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.

Name the procedure used to prepare a sodium salt such as sodium sulphate.

How is the following salt prepared:
Calcium sulphate from calcium carbonate,

How is the following salt prepared:
Lead (II) oxide from lead.

How is the following salt prepared:
Lead carbonate from lead nitrate.

How is the following salt prepared:
Sodium nitrate from sodium hydroxide.

How is the following salt prepared:
Magnesium carbonate from magnesium chloride.

How is the following salt prepared:
Copper (II) sulphate from copper (II) oxide?

Describe giving all practical details, how would you prepare:

lead sulphate from metallic lead.

The following is a list of methods for the preparation of salts.

A – direct combination of two elements

B – reaction of a dilute acid with a metal.

C – reaction of a dilute acid with an insoluble base.

D – titration of a dilute acid with a solution of soluble base.

E – reaction of two solutions of salts to form a precipitate.

Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:

Anhydrous ferric chloride.