EASY
6th CBSE
IMPORTANT
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Air is a _____

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Important Questions on Separation of Substances

EASY
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 5

A mixture of sand and iron filings is best separated by _____.

MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 6

A mixture of chalk and common salt in water can be separated by 

MEDIUM
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 7

A mixture of sand, water and mustard oil can be separated by 

EASY
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 9

Oil and water can be separated using _____.

HARD
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 10

Which of the statements are true? 

(i) The solubility of sugar in water is higher than the solubility of salt in water. 

(ii) The solubility of salt in water is higher than the solubility of sugar in water. 

(iii) The solubility of sugar in water increases with rise in temperature, whereas that of salt increases very little with rise in temperature. 

(iv) The solubility of both sugar and salt increase at approximately the same rate with increase in temperature. 

EASY
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 5

The liquid in which the solute dissolves is called a _____.

EASY
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 7
_____ is the process of making insoluble substances in a liquid to settle down faster by addition of specific chemicals. 
EASY
6th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Separation of Substances>Exercises>Q 10
A _____ is used for the separation of immiscible liquids of different densities.