(English Medium) ICSE Class 10 - CISCE Important Questions

State the conditions required for the given reaction to take place:

Any two conditions for the conversion of sulphur dioxide to sulphur trioxide

State the inference drawn from the following observations:

Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.

Give one equation to show the following properties of sulphuric acid:

Dehydrating property

Give one equation to show the following properties of sulphuric acid:

Acidic nature

Give one equation to show the following properties of sulphuric acid:

As a non-volatile acid

Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with Ethanol?

Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with carbon?

Write a balanced chemical equation for each of the following reactions :  
 Action of dilute sulphuric acid on sodium hydroxide. 

Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on zinc sulphide. 

 Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution) 

 Complete the following equations :
 C + cons. H₂SO₄   

The catalyst preferred in the conversion of Sulphur dioxide to Sulphur trioxide is ______.

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

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

Identify the anion present in the following compounds.

The solution of Compound L on reacting with freshly prepared ferrous sulphate solution followed by the addition of a few drops of concentrated sulphuric acid to the reactants along the sides of a test tube forms a brown ring at the junction of the two liquids.

State the observation for the following, when:

Concentrated sulphuric acid is added to carbon.

Write a balanced equation for the following conversion:

Lead sulphate from lead nitrate and sulphuric acid.

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

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