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

From the list of the substances given, name the substances which you would use to prepare each of the following salts:
List of substances: Copper, lead, sodium, zinc, copper oxide, lead carbonate, sodium carbonate solution, dilute hydrochloric acid, dilute nitric acid and dilute sulphuric acid.
Salts: (a) zinc sulphate (b) copper sulphate (c) sodium sulphate (d) lead sulphate.

Define the following term:

Neutralisation

Some methods used for the laboratory preparation of salts are:
(a) Metal + acid
(b) Carbonate + acid
(c) Precipitation
(d) Direct combination
(e) Titration
Copy and complete the following table : 

Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
(i) Sodium sulphate
(ii) Copper sulphate
(iii) Iron (II) sulphate
(iv) Zinc carbonate

Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride

Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphate

Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphide

Write the equation for the laboratory preparation of sodium sulphate using dilute sulphuric acid.

Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
lead sulphate using dilute sulphuric acid.

Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.

Choosing the correct words given in brackets, complete the sentence given below: Copper sulphate from copper.

Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.

Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from sodium carbonate.

Which of the following methods, (a), (b), (c), (d) or (e) is generally used for preparing the chlorides listed below from (i) to (v). Answer by writing down the chloride and the letter pertaining to the corresponding method. Each letter is to be used only once.
(a) Action of an acid on a metal.
(b) Action of an acid on an oxide or carbonate.
(c) Direct combination.
(d) Neutralization of an alkali by an acid.
(e) Precipitation (double decomposition).
(i) copper(II) chloride.
(ii) iron(II) chloride.
(iii) iron(IIl) chloride.
(iv) lead (II) chloride.
(v) sodium chloride.

The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
What is the first step that is required to prepare lead sulphate from lead carbonate?

Carbon dioxide and sulphur dioxide gas can be distinguished by using ______.

The diagram given below is to prepare iron (III) chloride in the laboratory.

(i) What is substance B?
(ii) What is the purpose of B?
(iii)Why is iron (III) chloride to be stored in a closed container?
(iv) Write the equation for the reaction between iron and chloride ?

Write the equations for the reaction to prepare lead sulphate from lead carbonate. 

Match the salts given in Column I with their method of preparation given in Column II:

Write the equation for the following reaction:

Magnesium sulphate solution is mixed with barium chloride solution.