
Separation of Substances
Authored by Geetha Suresh
Science
6th Grade
Used 100+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. What is Winnowing ?
A method used to separate the components of a mixture which are different sizes substances.
The practice of separating undesirable solid substances and impurities from useful solids by hand.
A method used to separate lighter components of a mixture from the heavier ones by wind or by blowing air.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. What means to cut the crop from the field?
Threshing
Winnowing
Harvesting
Sieving
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.How do we separate grains from stalks?
Sieving
Threshing
Winnowing
Handpicking
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.When do we mostly use handpicking?
When we separate stones from rice
When we separate water from sand
When we separate sugar from water
ALL of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.A solution in which no more solute can be added is called
True Solution
Unsaturated solution
Saturated solution
Mixture
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. The density of water is 1g/cc. Mercury is denser and kerosene is less dense than water. None of the liquids mix with each other. What will a jar that has 20 ml of water, 10 ml of mercury and 30 ml of kerosene look like?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. State whether true /false.
Oil layers in the oceans blocks the air from entering the water and affects aquatic life.
True
False
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