ICSE ICSE Class 6 - CISCE Question Bank Solutions for Chemistry

Name two air pollutants which affect our health.

Name two air pollutants which cause acid rain.

Name two air pollutants which cause global warming.

What is meant by ozone depletion?

State four steps to be taken to control air pollution.

Name three greenhouse gases.

Fill in the blank

Although we cannot see air, we can ___it.

Fill in the blank

Air is a ______ of gases

Fill in the blank

Polluted air is harmful to ____.

Write ‘true’ or ‘false for the following;

Air is a compound.

Tick (√) the correct alternative from the choice given for the following statement.

Air consists of

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Air pollution is due to the

Tick (√) the correct alternative from the choice given for the following statement.

The gases which cause acid rain are

Tick (√) the correct alternative from the choice given for the following statement.

Rust is

Tick (√) the correct alternative from the choice given for the following statement.

Photosynthesis is a process in which plants

Tick (√) the correct alternative from the choice given for the following statement.

Fuels which do not leave any residue on burning are

Tick (√) the correct alternative from the choice given for the following statement.

Respiration

Tick (√) the correct alternative from the choice given for the following statement.

Which of the following is not a greenhouse gas?

Tick (√) the correct alternative from the choice given for the following statement.

The substance which accelerates the speed of a reaction without itself undergoing any change is called

State what do you understand by the term ‘air’. Explain its importance to mankind.