MEDIUM
9th CBSE
IMPORTANT
Earn 100

Which of the following will scatter light and why? 
a. Sugar solution 
b. Soap solution.

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 13

Give two characteristics of a colloidal solution.

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 14
Is water a compound or mixture? Give two reasons in support of your answer.
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 1
Classify the following into elements, compounds and mixtures: water, seawater, dry ice, petrol, sugar, silver, brass, steel.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 2
State the types of mixture. Give examples for each type.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 3
Write three main characteristics of a true solution.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 4
What is the difference between an aqueous solution and a non-aqueous solution? Give one example of each.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 5
How does the particle size vary in a true solution, a suspension and a colloid?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 6
Distinguish between true solution and colloid. Give one example of each.