EASY
9th CBSE
IMPORTANT
Earn 100

Give two applications of the separating funnel method of separating a mixture.

Important Questions on Is Matter Around Us Pure?

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q 9
Give two applications of the centrifugation method of separating a mixture.
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>EXERCISES>Q 10
How will you separate the coloured components of black ink by paper chromatography?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 1

What is meant by a pure substance?

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 2

Which gas forms the liquid first as the air is cooled and which gas evaporates first when liquid air is heated? 

HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 3

Arrange the gases present in air in the ascending order of their boiling points: argon, oxygen, nitrogen. 

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 4

Which separation method is used to separate the components of a mixture of common salt and ammonium chloride? 

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 5

Give an example of aerosol.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 6

Which separation method is used to separate the components of a mixture of butter and curd?