MEDIUM
9th CBSE
IMPORTANT
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How will you separate a mixture containing chalk, iodine and sodium chloride?

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 13
How will you separate the components of a mixture containing two miscible liquids?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 14
How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25°C) which are miscible with each other?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 15
How will you separate the components of a mixture containing two immiscible liquids?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 16
Differentiate between physical and chemical changes.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 17
Describe the steps involved in the purification of drinking water for city water supply.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 18
How will you separate the various components of air?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 19
Suggest the separation process for the separation of benzene (Boiling point = 80°C) from toluene (Boiling point = 110°C) with which it is miscible.   
 
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 19
Suggest the separation process for the separation of common salt from a solution of common salt and water.