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Chemistry Class 10 Chapter 14
Environmental Chemistry – The Atmosphere-1
1.
Which one of the following gases is present in the atmosphere?
Carbon dioxide
Oxygen
All of these
Nitrogen
2.
Volume of nitrogen in dry air is
21%
78%
0.1%
3%
3.
Volume of oxygen in dry air is?
100%
1%
21%
78%
4.
Volume of carbon dioxide in dry air is?
10%
21%
0.038%
78%
5.
In tropical rain forests, the volume of water vapours in air is?
20%
30%
10%
4%
6.
The envelope of gases and water vapours that surrounds the planet Earth is known as?
Hydrosphere
Atmosphere
Universe
Lithosphere
7.
The most abundant gas by volume in the atmosphere is?
Oxygen
Nitrogen
Hydrogen
Carbon dioxide
8.
How many different layers are present in the atmosphere?
Five
Three
Four
Two
9.
Which one of the following is not the layer of atmosphere?
Stratosphere
Troposphere
Hydrosphere
Thermosphere
10.
mesosphere is the layer of?
Lithosphere
Hydrosphere
None of these
Atmosphere
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