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

How is nitric acid prepared in a laboratory?

What is the purpose of Conc. H₂SO₄ in the above preparation?

Why is the temperature maintained at 200°C in the above reaction?

Can we use conc. HCl in place of Conc. H₂SO₄ ?

1. Name the process used for the manufacture of nitric acid.
2. What are the reactants required for it and what are their sources?
3. In which ratio reactants are taken in this process?
4. Name the catalyst used in the process.
5. What is the oxidizing agent in this process?
6. Write the equations involved.

What are the reactants required for Ostwald process and what are their sources?

In which ratio reactants are taken in Ostwald process?

Name the catalyst used in Ostwald process.

Write the equations involved in Ostwald process.

Describe the Ostwald's process for the manufacture of nitric acid with labeled diagram.

Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO₃, State the reason.

How can 68% nitric acid be concentrated to 98% nitric acid?

Give three equations of the reaction to prove that nitric acid is an acid.

Which was the first organic compound synthesized in laboratory and by whom?

Write the molecular formulae of the third and fifth members of homologous series represented by general formula C_nH_2n-2.

Which of the following belong to same homologous series?

C3H₈, C₃H₆, C₄H₈, C₄H₆

How many isomers of the following hydrocarbons are possible?

C₃H₈

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

What is major source of organic compounds?

Why is freshly prepared ferrous sulphate solution used in the ring test?