Composition of Air
Composition of Air: Overview
This Topic covers sub-topics such as Air pollution, Condensation, Components of Air, Oxygen in Air, Nitrogen in Air, Dust Particles in Air, Carbon Dioxide in Air, Water Vapour in Air, Respiration in Living Organisms, Smoke in Air and, Nature of Nitrogen
Important Questions on Composition of Air
Which of the following is not a pollutant?
The gas that does not involve in respiration of humans is_____.
Write two physical properties of nitrogen gas.
The percentage of nitrogen in the air is_____.
The major part of the air which does not support combustion is
If the given pie chart represents the composition of air, which part of the chart represents nitrogen, oxygen and other gases.
Draw any two things that give out smoke. How do you think smoke make affect us?
Fill in the blank to complete the words. Circle them in the word search.
Air is needed to light a F_R_
Why your mother blows a pipe into the firewood stove to burn firewood.
Place a lighted candle on the table-top as shown in the picture. Cover the lighted candle with a glass tumbler. Why is the candle flame put out?
Place a lighted candle on the table-top as shown in the picture. Cover the lighted candle with a glass tumbler. What happens to the candle flame?
Look at the picture. The firewood stove has ember but it is not burning. What trick does your mother use to burn the firewood?
Name the following.
The gas in the air that absorbs infrared radiation.
Which of these gases are the most responsible for the cause of air pollution?
Which of the following gases can be used for the storage of a sample of edible oil for a longer time?
The percentage of oxygen in the atmophere
Which gas has the highest percentage in the atmosphere?
