Advertisements
Advertisements
प्रश्न
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
उत्तर
Air pollution:
Mixing of products (elements) from natural sources and man made sources to air, to make it unclean is called air pollution.
The various sources of air pollution are:
| Natural Sources | Pollutant Released |
| (i) Decay of animal and vegetable matter | H2S, SO2 |
| (ii) Volcanic eruption | CO, SO2, H2S |
| (iii) Lightning discharge | Oxides of nitrogen |
| Man made sourses | Pollutants released |
| (i) Burning of fuels | CO, CO2, SO2 |
| (ii) Chemical industries | SO2, SO3, NO, NO2, CO, H2S |
| (iii) Iron and steel industries | CO2, CO, SO2 |
APPEARS IN
संबंधित प्रश्न
Write the chemical name of Lime water
Name two air pollutants which cause acid rain.
Name three greenhouse gases.
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 whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Air is a mixture and not a compound since the components of air cannot be separated by physical methods.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
What is global warming?
Air has no ______ & ______.
Cool and soothing wind: Breeze.
uproot trees wind: ______.
Which of the following statements is incorrect?
