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

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.

Give the equation for the preparation of the following salt from the starting material given.
Copper sulphate from copper (II) oxide

Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron

Give the equation for the preparation of the following salt from the starting material given.
Potassium sulphate from potassium hydroxide solution

Give the equation for the preparation of the following salt from the starting material given.
Lead chloride from lead carbonate (two equations)

Name the method used for preparation of the following salts from the list given below:
(i) Sodium nitrate
(ii) Iron (III) chloride
(iii) Lead chloride
(iv) Zinc sulphate
(v) Sodium hydrogen sulphate

List :
(a) Simple displacement
(b) Neutralization
(c) Decomposition by acid
(d) Double decomposition
(e) Direct synthesis

From the list given below, select the word(s) required to correctly complete blanks (i) to (v) in the following passage. The words from the list are to be used only once. Write the answers as (a) (i), (ii) (iii) and so on. Do not copy the passage.

A solution M turns blue litmus red, so it must contain  _______ ions; another, solution O turns red litmus blue and hence, must contain ______ ions.

Using ammonium hydroxide, how would you distinguish between the following pair of ions in solution?
Ferrous ion and Ferric ion.

Name the method used for preparation of the following salt from the list given below:
Zinc ion and Lead ion.

You are provided with PbCO₃, ZnCO₃ and CaCO₃. How will you identify these cations?