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

Identify the cation in the following case:

Ammonium hydroxide solution when added to Solution B gives a white precipitate which does not dissolve in excess of ammonium hydroxide solution.

Write balanced equation :

Copper sulphate solution with ammonium hydroxide solution.

Convert the following reaction into a balanced chemical equation:

Ammonia to nitric oxide using oxygen and platinum catalyst.

Write a balanced equation:

Copper sulphate solution with ammonium hydroxide solution.

Explain the following:

H₃PO₃ is not a tribasic acid.

The metal hydroxide which reacts with both acids and alkalis to form salt and water is ______.

Rita was given an unknown salt for identification. She prepared a solution of the salt and divided it into two parts.

• To the first part of the salt solution, she added a few drops of ammonium hydroxide and obtained a reddish-brown precipitate.
• To the second part of the salt solution, she added a few drops of silver nitrate solution and obtained a white precipitate.

Name:

1. The cation present and
2. The anion present in the salt given for identification.

Match the salts underlined in Column A with the most suitable method of preparation given in Column B.

Explain the following:

\[\ce{H3PO3}\] is not a tribasic acid.

Write balanced equation:

Copper sulphate solution with ammoni um hydroxide solution.

Explain the following:

\[\ce{H3PO3}\] is not a tribasic acid.

Write balanced equation:

Copper sulphate solution with ammonium hydroxide solution.

Explain the following:

\[\ce{H3PO3}\] is not a tribasic acid.

Write balanced equation:

Copper sulphate solution with ammonium hydroxide solution.

Explain the following:

H₃PO₃ is not a tribasic acid.

Write balanced equation:

Copper sulphate solution with ammonium hydroxide solution.

A ______ coloured precipitate is formed when ammonium hydroxide is added to a solution of ferrous chloride.

The diagram given below is a representation of the Industrial preparation of Nitric acid by Ostwald’s process. With respect to the process answer the following questions:

1. Write the temperature and the catalyst required during the catalytic oxidation of ammonia.
2. Give balanced chemical equation for the reaction occurring duringthe conversion of nitrogen dioxide to nitric acid.

Explain the following:

\[\ce{H3PO3}\] is not a tribasic acid. 

Write balanced equation:

Copper sulphate solution with ammonium hydroxide solution.