ICSE ICSE Class 6 - CISCE Question Bank Solutions for Chemistry

What do you observe when a burning candle is covered with an inverted jar.

What do you observe when Carbon dioxide gas is passed through lime water.

What do you observe when a beam of light is allowed to enter in a closed dark room through a small hole.

Write the chemical name of Lime water

Write the chemical name of The white insoluble solid formed on the reaction of carbon dioxide with lime water.

Name two important processes supported by oxygen present in air.

Give two uses of the following component present in air:

oxygen

Give two uses of the following component present in air:

nitrogen

Give two uses of the following component present in air:

carbon dioxide

Give two uses of the following component present in air:

water vapour

Define the following:

Respiration

Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?

State two similarities and two differences between respiration and burning.

Define rusting?

How is air useful to water boats?

How is air useful to agriculture?

How is air useful to windmills?

How is air useful to scooters and cars.?

What is air pollution?

Mention five causes of air pollution.