Composition of Air in Atmosphere

Q. Arrange the following gases in increasing order of their percentage by volume in composition of air.

1. Nitrogen < Oxygen < Argon < Carbon dioxide
2. Carbon dioxide < Argon < Oxygen < Nitrogen
3. Argon < Oxygen < Carbon dioxide < Nitrogen
4. Carbon dioxide < Argon < Nitrogen < Oxygen

Q. Road side plants cannot grow properly. Find your own reasons and explain with your argument.
[2 marks]
[APSCERT]
[Consequences of Air Pollution]

Q. When the balanced state of air composition is disturbed, it is called .

1. sedimentation
2. air pollution
3. air filteration

Q.

Which of the following is not an air pollutant?

1. Particulate matter

2. Sulphur dioxide

3. Nitrogen oxide

4. Nitrogen

Q. Choose the correct pair of gases according to their percentage composition in the air.

1. Nitrogen
2. Oxygen
3. Argon
4. $78\%$
5. $20.9\%$
6. $0.9\%$

Q.

Identify the gases depicted with their percentage composition in the given pie chart.

1. (i) Nitrogen (ii) oxygen (iii) carbon dioxide (iv) argon (v) water vapour

2. (i) Oxygen (ii) nitrogen (iii) water vapour (iv) argon (v) carbon dioxide

3. (i) Nitrogen (ii) oxygen (iii) argon (iv) carbon dioxide (v) water vapour

4. (i) Water vapour (ii) oxygen (iii) nitrogen (iv) carbon dioxide (v) argon