EASY
9th CBSE
IMPORTANT
Earn 100

Explain the differences between colloid and suspension.

Important Questions on Is Matter Around Us Pure?

HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 8
Describe the differences between an element and a compound.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 9
What is chromatography? How will you separate the components of black ink using chromatography?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 10
Explain the following giving examples: 
A. Saturated solution 
B. Pure substance 
C. Colloid 
D. Suspension.
 
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 11
How will you separate the components of gunpowder?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 12
How will you separate a mixture containing chalk, iodine and sodium chloride?
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?