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

Correct the following:
Conc. H₂SO₄ is a drying agent for NH₃

Correct the following:

Ammonium salts, on heating, decompose to give ammonia.

Distinguish between the following (using ammonia solution):

Calcium chloride and zinc chloride

Distinguish between the following (using ammonia solution):

Ferric salt and ferrous salt

Distinguish between the following (using ammonia solution) Sodium sulphate and ammonium sulphate.

Give a balanced equation for the following conversion:

Ammonia to nitrogen using an acidic gas.

Give balanced equations for the following conversion:

Ammonia to brown gas.

Give a balanced equation for the following conversion:

Ammonia to nitrogen trichloride.

Give a balanced equation for the following conversion:

Ammonia solution to an amphoteric hydroxide.

Give a balanced equation for the following conversion:

A nitride of a trivalent metal to ammonia.

Give a balanced equation for the following conversion:

Lead oxide to lead.

Choose the correct word or phrase from the options to complete the following sentence and write balanced equation for the same.

When ammonium chloride is heated, it undergoes ______.

Choose the correct word or phrase from the options to complete the following sentence and write balanced equation for the same.

Heating ammonium chloride with sodium hydroxide produces ______.

Name an acidic gas which reacts with a basic gas liberating a neutral gas.

Name a nitride of a divalent metal which reacts with warm water liberating ammonia.

Name an amphoteric oxide reduced by the basic gas.

Name a white salt produced by an acid gas and a basic gas.

Complete the following equation.
Mg₃N₂ + 6H₂O →

Complete the following equation.
8NH₃ +3Cl₂ →

What are the main refrigerants used and how do they cause ozone deplation?