Separation Methods: 20 flashcards
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1. What is handpicking?
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Handpicking is a method of separating solid materials from a mixture based on differences in size, colour, and shape.
2. What is threshing?
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Threshing is the process in which stalks are beaten to separate grains from them.
3. What is winnowing?
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Winnowing is the method of separating lighter husk from heavier grains by wind or blowing air.
4. What is sieving?
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Sieving is the process of separating solids from a mixture based on variations in particle size using a sieve.
5. What is evaporation?
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Evaporation is the process in which a liquid gets converted into its vapour. It can be used to separate a solid dissolved in a liquid.
6. What is sedimentation?
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Sedimentation is the process of settling down of heavier insoluble components at the bottom of a liquid.
7. What is decantation?
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Decantation is the process of removing liquid by tilting the vessel after sedimentation.
8. What is filtration?
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Filtration is a method used to separate insoluble solid components from a liquid.
9. What is churning?
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Churning is the process used to extract butter from curd.
10. What is magnetic separation?
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Magnetic separation is the separation of magnetic and non-magnetic substances by using a magnet.
11. Which method is used to separate grains from stalks?
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Threshing
12. Which method is used to separate husk from grains?
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Winnowing
13. Which method is used to separate butter from curd?
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Churning
14. Which method is used to separate a dissolved solid from a liquid?
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Evaporation
15. Which method is used to separate insoluble solids from a liquid?
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Filtration
16. Which method is used to separate magnetic substances from non-magnetic substances?
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Magnetic separation
17. Which method is used to separate solid materials based on size, colour, and shape?
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Handpicking
18. Which method is used to separate solids based on particle size using a sieve?
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Sieving
19. What is the process of settling down of heavier insoluble components called?
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Sedimentation
20. What is the process of removing liquid by tilting the vessel called?
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Decantation
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