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Question-1
Crystallization of water occurs by:
(A)
Freezing
(B)
Supercooling
(C)
Nucleation and crystal growth
(D)
All the above
Question-2
Pure or distilled water is not used for drinking, mainly because:
(A)
It is poisonous
(B)
It has a very high solubility
(C)
It is bacteria free
(D)
It is not available easily
Question-3
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-4
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-5
In a small town, the number of water pumps, concrete houses and roads increased. The water table of that place will:
(A)
Get lower
(B)
Get higher
(C)
Remain unaffected
(D)
All of the above
Question-6
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-7
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-8
Rain water harvesting is a method employed to:
(A)
Stop soil erosion in a place
(B)
Raise the water table of a place
(C)
Increase afforestation around a place
(D)
Decrease floods and droughts in a place
Question-9
Water is called the universal solvent because:
(A)
It dissolves in most of the liquids
(B)
It can dissolve most of the substances
(C)
It contains many salts and minerals
(D)
It can exist in three states
Question-10
Water consists of hydrogen and oxygen in the ratio of:
(A)
1:1
(B)
1:2
(C)
2:1
(D)
3:1
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Cambridge Secondary Grade 6
IGCSE
Practice in Related Chapters
Sources of Food
Fibre to Fabrics
The Habitat of the Living
Body Movements in Animals
Things Around Us
Changes Around Us
Plants-Form and Function
Different Kind of Materials
Water
Components of Food
Fun with Magnets
Light, Shadow and Reflection
Separating Substances
Electric Current and Circuits
Waste Management
Air
Motion and Measurement of Distances
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