Smog

Q.

Smog is essentially caused by the presence of:

1. Oxygen and ozone

2. Ozone and sulphur

3. Oxides of Sulphur and nitrogen

4. Oxygen and nitrogen

Q.

State the origin and health impact of smog.

Q.

Which of the following is not regraded as a pollutant?

1. Nitrogen dioxide

2. Carbon dioxide

3. ozone (O₃)

4. Hydrocarbons

Q.

What is smog ? State its damaging effects.

Q. Identify the effects of smog.

1. Reduces visibility
2. Causes asthma
3. Increases visibility
4. Causes stomach pain

Q.

1. Which of the following is not a pollutant?

1. carbon monoxide

2. water vapour

3. dust

4. soot

Q.

Low visibility during cold weather is due to

1. formation of fossil fuel

2. lack of adequate power supply

3. catract

4. unburnt carbon particles

Q.

___________ is a mixture of smoke and fog

1. Mists

2. Smog

3. Fumes

4. Dust