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11 questions
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- 1. Multiple Choice
what is churned to separate butter?
water and oil
curdled milk
milk and curds
flour and milk
- 2. Multiple Choice
what is the method of separating components from a mixture by blowing?
handpicking
threshing
winnowing
washing
- 3. Multiple Choice
What is the process that is used to separate grains from stalks called?
handpicking
threshing
sieving
winnowing
- 4. Multiple Choice
What is removed from wheat before grinding?
stones
husk
dust
option 1 and 2
all of the above
- 5. Multiple Choice
what is threshing?
the seperation of grains with help of wind
the seperation of grains by hand
the seperation of grains from its stalk by beating
all of the above
- 6. Multiple Choice
Butter is separated from milk by........
sedimentation
filtration
churning
decantation
- 7. Multiple Choice
Threshing is done by.....
beating
bullocks
machines
all of the above
- 8. Multiple Choice
Which method is used to separate pebbles and stones from sand?
Handpicking
Winnowing
Sieving
Any of these
- 9. Multiple Choice
is used to separate mixtures with different sizes
MAGNETIC SEPARATION
MANUAL PICKING
DECANTATION
SIEVING
FILTERING
- 10. Multiple Choice
what is churned to separate butter?
water and oil
curdled milk
milk and curds
flour and milk
- 11. Multiple Choice
What is the separation of substances useful for?
Colouring a paper
filtering water
Jumping up and down
I don't know
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