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Class 6 Science
Air Around Us
Quiz 1
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Major part of the air is constituted by
0%
nitrogen
0%
oxygen
0%
carbon dioxide
0%
inert gases
Explanation
nitrogen
Which of the following gas helps in burning? ,
0%
Nitrogen
0%
Oxygen
0%
Carbon dioxide
0%
Carbon monoxide
Explanation
Oxygen
Which of the following gas we use in breathing?
0%
Carbon dioxide
0%
Nitrogen
0%
Oxygen
0%
None of these
Explanation
Oxygen
Wind is
0%
air around us
0%
rising hot air
0%
air in motion
0%
none of these
Explanation
air in motion
Air is present in
0%
atmosphere
0%
soil
0%
water of ponds, lakes and seas
0%
everywhere
Explanation
everywhere
Air is
0%
a mixture
0%
a pure substance
0%
an element
0%
anything, that depends on the place where it is found
Explanation
a mixture
Envelope of air that surrounds the earth is known as
0%
biosphere
0%
atmosphere
0%
environment
0%
ecosystem
Explanation
atmosphere
The ratio of nitrogen to oxygen in the air is
0%
1:4
0%
4:1
0%
3:1
0%
1:2
Explanation
4:1
The main constituent of the air is.
0%
nitrogen
0%
oxygen
0%
carbon dioxide
0%
hydrogen
Explanation
nitrogen
0 h : 0 m : 1 s
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