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- 1. Multiple Choice
During _________________ the solid particles that settle down forming a layer are called sediments
Decantation
Condensation
Evaporation
sieving
Sedimentation
- 2. Multiple Choice
the process of converting a liquid form to its vapour form is
Decantation
Condensation
Sedimentation
Evaporation
- 3. Multiple Choice
Which process uses a paper to catch the solids?
Sedementation
Decantation
Filtration
Evaporation
- 4. Multiple Choice
How do you separate water from milk?
Evaporation
Filtration
Condensation
Sedimantation
- 5. Multiple Choice
How do you separate sand from water ?
Decantation
Sedimentation
Filtration
Evaporation
- 6. Multiple Choice
How do you separate sugar from water?
Evaporation
Decantation
Sedimentation
Condensation
- 7. Multiple Choice
How do you separate grains from chaff?
Winnowing
Threshing
Sieving
Handpicking
- 8. Multiple Choice
how do you separate husks from chaff?
threshing
sieving
handpicking
winnowing
- 9. Multiple Choice
which process do we use to get salt from sea water
decantation
evaporation
condesation
distillation
- 10. Multiple Choice
By which process is oil and vinegar is commonly separated?
Sedimentation
Decantation
Condensation
Distillation
- 11. Multiple Choice
How are grain seeds removed from their stalks?
Sieving
Winnowing
Threshing
All of the above
- 12. Multiple Choice
What is a mixture?
A chemical combination of two or more different substances.
A physical combination of two or more different substances.
A chemically pure substance.
A special type of solution
- 13. Multiple Choice
When the solute dissolves into a solvent and disappears it is called a _____________.
MIxture
Solution
Solvent
None of the above
- 14. Multiple Choice
Pure substances are made up of the same kind of atoms.
True
False
- 15. Multiple Choice
Which of the following is not a homogeneous mixture?
Oxygen in water
Tea
Sugar and water
Fried rice
- 16. Multiple Choice
Lemonade is a special mixture called a
substance
solution
plasma
ingredient
- 17. Multiple Choice
Hand picking method is effective in
solid mixture
Liquid mixture
Gaseous mixture
None of these
- 18. Multiple Choice
Butter is separated by curd
Filtration
churning
heating
sieving
- 19. Multiple Choice
The process of making mud particles heavy with alum
Decantation
Loading
Filtration
Condensation
- 20. Multiple Choice
The method that is used to obtain pure salt from impure salt is
Decantation
Crystallisation
Evaporation
Condensation
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