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- 1. Multiple Choice
what is separation ?
mixing two different components
selecting different kinds of components from a mixture
arranging things in an order
none of the above
- 2. Multiple Choice
best method to remove husk from seed or grains
winnowing
threshing
sieving
hand picking
- 3. Multiple Choice
hand picking is a method of -
removing large size impurities b hand
removing small impurities by hand
removing husk by wind
removing chaff by wind
- 4. Multiple Choice
the tool sieve has -
no holes for separation
big holes for separation
small holes for separation
1 big hole for separation
- 5. Multiple Choice
both sedimentation and decantation is important to clean the water
true , both is needed
false , only sedimentation
false , only decantation
false , none of them is required
- 6. Multiple Choice
in process filtration we use which paper
butter paper
foil wrap
sheet paper
filter paper
- 7. Multiple Choice
evaporation is a process in which -
water turns to water vapour on boiling
water turns to ice on freezing
water turns to water vapour by natural heat
none of the above
- 8. Multiple Choice
petrol is soluble in water.
true
false
- 9. Multiple Choice
which of the following methods are used in kitchen for separation
sieving
winnowing
threshing
hand picking
- 10. Multiple Choice
which of the following is a use of evaporation
removing sea water to obtain salt
removing tea leaves from tea
removing mud from water
removing seeds from lemonade
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