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WorksheetsAir Around Us
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The lightning of Display Boards is due to
a)
Argon
b)
Lithium
c)
Krypton
d)
Helium
2.
Which property of air is false ?
a)
Air has mass
b)
Air occupies space
c)
Air is everywhere
d)
Air is a mixture of liquids
3.
Weather changes are due to the presence of ________ in air.
a)
Oxygen
b)
Water Vapour
c)
Smoke
d)
Carbon dioxide
4.
Breathing & Burning both require air and so both are same
a)
True
b)
False
5.
Water cycle gets disturbed due to deforestation
a)
False
b)
True
6.
Air occupies _______ and has ________ .
a)
Space
b)
Mass
c)
Both (A) and (B)
d)
None of These
7.
Which gas protects us from UV Rays ?
a)
O3
b)
O2
c)
CO2
d)
None of These
8.
CO2 is a ______________
a)
Element
b)
Mixture
c)
Compound
d)
None of These
9.
Argon makes up ____ of the air
a)
0.04%
b)
0.9%
c)
0.3%
d)
5%
10.
Windows are kept at ________ heights to allow _____ and _______ air .
a)
low , hot , dusted
b)
cold , fresh , high
c)
low , cold , fresh
d)
None of These
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