Water plays an important role in the functioning of our body because it
Dissolves a large number of substances.
Is hard.
Is transparent.
None of these.
We group things together because___________
Dividing materials in groups makes it convenient to study their properties and observe patterns in these properties.
We can throw away similar materials.
We can keep similar materials in our rack at one place.
We can keep similar materials on the palm.
The materials, through which objects can be seen, but not clearly, are known as _________
Transparent
Translucent
Opaque
Soluble
The process followed to separate grains from stalks is called
Winnowing
Threshing
Sieving
Hand picking
The process of separating the constituents of a liquid by agitating it vigorously
Evaporation
Churning
Filtration
Sedimentation
The method that is used to obtain pure salt from impure salt
Decantation
Crystallization
Evaporation
Condensation
A solution which cannot dissolve more of a given substance at a given temperature is
Solution
Filtrate
Saturated solution
Unsaturated solution
Rain water is a kind of
Saline water
Distilled water
Carbonated water
Saturated water
The method used to separate a dissolved solid component from its solution
Evaporation
Filtration
Sedimentation
Decantation
Butter is separated from curd by the process of
Filtration
Heating
Churning
Sieving
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