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

Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.

During a thunderstorm, the rainwater contains nitric acid. The nitric acid is formed as a result of three chemical reactions. Describe or write balanced chemical equation for these three reactions.

Write three uses of ethyne.

Explain the following:
 Ethene and ethyne burn with sooty luminous flame

Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.

Give the reactions of ethyne with Hydrogen

Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.

Describe what you see when concentrated nitric acid is added to copper.

What do you see when concentrated nitric acid is added to copper?

Name (formula is not acceptable) the gas produced in the following reaction:
By the action of concentrated nitric acid on copper.

Name (formula is not acceptable) the gas produced in the following reaction:
On warming ammonium sulphate with sodium hydroxide solution.

Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.

Name the following:

Catalyst used in the Esterification reaction.

Name the following:

A toxic alcohol

Name the compounds required for the laboratory preparation of nitric acid.

Why does pure nitric acid take on a yellowish brown colour when exposed to light?

Write the composition of the following:

 Methylated spirit

Write the composition of the following:

Power alchohol

Write the composition of the following:

Spurious alchohol

The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?