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WorksheetsAir
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
____ gas in the air that helps burning
a)
oxygen
b)
nitrogen
c)
carbon dioxide
2.
There is ____ even in an empty container.
a)
water
b)
air
c)
light
3.
The covering layer of air around the earth is called___
a)
temperature
b)
atmosphere
c)
wind
4.
There is air till a height of about ___ km from the Earth
a)
100
b)
50
c)
200
5.
_____ gas in the air that helps plants make their own food.
a)
carbon dioxide
b)
nitrogen
c)
oxygen
6.
Air is a mixture of several _____
a)
Gases
b)
dust
c)
water vapour
7.
In soft drinks ____ is filled with pressure
a)
water
b)
air
c)
sugar
8.
_____ gas is present in the largest quantity in the air.
a)
nitrogen
b)
oxygen
c)
carbon
9.
we use ___ for breathing.
a)
nitrogen
b)
oxygen
c)
carbon
10.
_____ emit smoke
a)
trees
b)
factories
c)
water
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