Advertisements
Advertisements
Question
Explain the differences between pure air and polluted air.
Solution
Pure air contains around 78% nitrogen, 21% oxygen, and 0.03% carbon dioxide. Other gases such as argon, methane, ozone, and water vapours are also present in small quantities. When this composition of air is altered by the addition of harmful substances or gases such as nitrogen dioxide, sulphur dioxide, carbon monoxide, and particulate matter, then the air is said to be polluted
APPEARS IN
RELATED QUESTIONS
What is acid rain?
Give reason for the following:
A catalytic converter in an internal combustion engine reduces pollution.
Tick the causes of global warming
 |
 |
 |
 |
 |
 |
How can we reduce air pollution?
What is global warming?
The word pollution is derived from the Latin word ______.
Why does the Mathura refinery pose problems to the Taj Mahal?
When air is contaminated by ______ substances which have a ______ effect on both the ______ and ______ it is referred to as______.
(air pollution, harmful, living, unwanted, non-living, pollutants)
The electrostatic precipitator is said to remove ______ of particulate impurities from exhaust of thermal plant.
Distinguish between the following pair:
Smoke and smog.
