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- 1. Multiple Choice
A substance that dissolves in a solvent to form a solution is called
solute
solvent
immiscible liquid
sediment
- 2. Multiple Choice
The process of conversion of water vapor into its liquid form on cooling is
evaporation
freezing
condensation
sedimentation
- 3. Multiple Choice
Substances need to be separated
to remove undesirable substances
to get desirable substances
to obtain two different useful components
all of the above
- 4. Multiple Choice
The separation of grains from the husk is done by the
process of
Handpicking
Sieving
winnowing
threshing
- 5. Multiple Choice
The process of separation of tea leaves by strainer is called
Filtration
Sedimentation
Evaporation
condensation
- 6. Multiple Choice
The sieving is done based on the property of
difference in weight
difference in colour
difference in shape
difference in size
- 7. Multiple Choice
In threshing,
Bran is removed from flour using a sieve.
Muddy water is filtered through a piece of cloth.
Tea is poured through a strainer
Stalks are beaten to free the grain seeds
- 8. Multiple Choice
Common salt is obtained from seawater by the process of
Filtration
Evaporation
Sedimentation
Decantation
- 9. Multiple Choice
Identify the method of separation when the shape, size, and colour of the components are different.
Sedimentation
Sieving
Handpicking
Filtration
- 10. Multiple Choice
A solution that cannot dissolve any more solute is
called
unsaturated
saturated
filtrate
residue
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