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WorksheetsChapter -5 -Separation of Substances ~Quiz
Total questions: 10
Worksheet time: 5mins
Salt is obtained from seawater by the process of _______________ .
filtration
evaporation
condensation
sedimentation
Which is the method used to separate grains from stalks?
Winnowing
Grinding
Threshing
Handpicking
When the heavier component in a mixture settles after the liquid is added to it, the process is called (a) . (Write in capital letters)
The mixtures not having a uniform composition and properties through out are called ________________ mixtures.
Homogeneous
Filtered
Gradient
Heterogeneous
The principle that is used in the method of sieving is __________
difference in lustre
difference in color
difference in particle size
Sawdust is insoluble water. If, accidentally some particles of sawdust drop into a glass of water. Which is the best method to separate them?
Decantation
Filteration
Sieving
Distillation
Is air a mixture?
Yes
No
(a) is a homogeneous mixture of two or more
substances. (Write in capital letters)
Butter is separated from milk by handpicking
True
False
The method of _______ is used in the process of preparing cottage cheese (paneer).
threshing
filtration
winnowing
