HARD
6th CBSE
IMPORTANT
Earn 100

What is the principle used in the method of sedimentation and decantation used for the separation of insoluble solid components from water?

Important Questions on Separation of Substances

MEDIUM
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 4
Explain with example any two methods of separation used in the kitchen to clean pulses before cooking.
HARD
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 1
You are given a mixture of sand, water and mustard oil. How will you separate the components of the mixture? 
HARD
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 2
How will you separate common salt from a mixture of common salt and chalk powder? 
MEDIUM
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 3
How will you separate a mixture of salt, sawdust, and iron filings? 
(Hint: Think of a property that is unique to iron).
 
HARD
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 4

Why can sugar not be separated from water by evaporation? 

(Hint: Sugar will get charred if the solution is heated excessively). 

HARD
6th CBSE
IMPORTANT
Head Start Science 6>Chapter 3 - Separation of Substances>EXERCISES>Q 5
Sugar dissolves easily in milk at room temperature in summer compared to winter. Explain why.