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Question-1
Water consists of hydrogen and oxygen in the ratio of:
(A)
1:1
(B)
1:2
(C)
2:1
(D)
3:1
Question-2
The density of water is:
(A)
0.1 g/cm
3
(B)
1 g/cm
3
(C)
100 g/cm
3
(D)
1 kg/m
3
Question-3
The main source of water for perennial rivers is in the form of:
(A)
Lakes
(B)
Rain water
(C)
Snow
(D)
Dams
Question-4
What happens to the water table of a place having droughts for a long period of time ?
(A)
It gets higher because of continuous evaporation.
(B)
It gets lower because of continuous evaporation and flow.
(C)
It remains the same because soil protects it from the heat.
(D)
It gets replenished continuously.
Question-5
Which of the following is polluted by man or factories?
(A)
Ponds
(B)
Rivers
(C)
Ground water
(D)
All
Question-6
Which of the following is potable water?
(A)
A glass of water fit for drinking
(B)
Water in a pot
(C)
Sea water
(D)
Water with bacteria and chemicals
Question-7
When hydrogen and oxygen combine to form water, they form:
(A)
An unstable compound
(B)
A stable mixture
(C)
An unstable mixture
(D)
An extremely stable compound
Question-8
In early winter mornings, we can see drops of water on the blades of grass. This is because of:
(A)
Photosynthesis
(B)
Transpiration
(C)
Condensation
(D)
Water cycle
Question-9
The melting point of ice is:
(A)
0
o
C
(B)
37
o
C
(C)
4
o
C
(D)
100
o
C
Question-10
Which of the following processes cannot take place in the absence of oxygen?
(A)
Combustion
(B)
Respiration
(C)
Oxidation
(D)
All of these
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Cambridge Secondary Grade 6
IGCSE
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Different Kind of Materials
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Light, Shadow and Reflection
Separating Substances
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Waste Management
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Motion and Measurement of Distances
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