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

Sulphuric acid is manufactured by contact process.
why is Sulphuric acid not obtained directly by reacting SO₃ with water.

How will you prepare the following from nitric acid?

Lead nitrate 

How will you prepare the following from nitric acid?

Magnesium nitrate

Sulphuric acid is manufactured by contact process.
what is the chemical used to dissolve SO₃ and what is The product formed?

How will you prepare the following from nitric acid?

Ferric nitrate

Sulphuric acid is manufactured by contact process.
write the main reactions of this process.

How will you prepare the following from nitric acid?

Aqua regia

Why the impurity of arsenic oxide must be removed before passing the mixture of SO₂ and air through the catalytic chamber?

Name a metal nitrate which on heating is changed into metal oxide.

Name a metal nitrate which on heating is changed into metal.

Name a solution which absorbs nitric oxide.

Name the oxide of nitrogen which turns brown on exposure to air. How is it prepared?

Why is sulphuric acid used in the preparation of HCl and HNO₃? Give equations in both cases.

Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical. 

Mention three important uses of nitric acid. Give the property of nitric acid involved in the use. 

What property of conc. H₂SO₄ is made use of in the following case? Give an equation for the reaction in this case:

In the production of HCl gas when it reacts with chloride.

The nitrate salt which does not give a mixture of NO₂ and O₂ on heating is ______.

What property of conc. H₂SO₄ is made use of in the following case? Give an equation for the reaction in this case:

In the preparation of CO and HCOOH.

The chemical used in the brown ring test is ______.

Explain with the help of a balanced equation the brown ring test for nitric acid.