MEDIUM
6th CBSE
IMPORTANT
Earn 100

Draw a labelled diagram of the apparatus used to distil out pure water from a solution.

Important Questions on Separation of Substances

MEDIUM
6th CBSE
IMPORTANT
How will you separate a mixture of grass, pebbles and sand?
MEDIUM
6th CBSE
IMPORTANT
Explain with the help of a diagram how can a mixture of oil and water be separated.
MEDIUM
6th CBSE
IMPORTANT
Why is water considered as an important solvent?
EASY
6th CBSE
IMPORTANT
A bottle contains either salt or chalk. How will you find out what it has, without tasting it?
MEDIUM
6th CBSE
IMPORTANT
Think and write how you will separate a mixture of water, sand, salt, and iron filings. You may have to use a method not given in the chapter to separate sand and iron filings. Think-Which property of iron can be used for this?
MEDIUM
6th CBSE
IMPORTANT
A mixture of salt and sugar is prepared by grinding them together. Do the molecules of salt and sugar undergo any change?
EASY
6th CBSE
IMPORTANT
A saturated solution of sugar in water is prepared. The temperature of water is lowered by 5°C. Will the solution continue to be saturated? Give reasons.
MEDIUM
6th CBSE
IMPORTANT
Sea water has salt dissolved in it. You know that pure water can be obtained from sea water by distillation. However, this method is not used to get drinking water from sea water. What do you think is the reason?