MEDIUM
6th CBSE
IMPORTANT
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In which process impurities are removed from water by adding alum? 

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Important Questions on Separation of Substances

EASY
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 8
What is the substance that dissolves in a liquid known as? 
MEDIUM
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 9
A solution in which no more solute can be dissolved is called _____.
HARD
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 1
Suggest a method to make a dirty carpet dust free. 
(Hint: Think of a method to separate clinging solid from solid). 
 
MEDIUM
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 2
Why is sieving not used to separate small stones from rice grains? 
HARD
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 3
Why is either winnowing, sieving or handpicking techniques not used for the separation of a mixture of sand and salt? 
MEDIUM
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 4

Label the given diagrams: 

Question Image

 

MEDIUM
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 1
What is the need to separate different components of a mixture? Give examples.
MEDIUM
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 2
How do we separate the grains after harvesting the wheat/rice crop? Explain the various methods adopted by the farmers.