EASY
9th CBSE
IMPORTANT
Earn 100

Give one example each of a. aerosol b. foam c. emulsion d. solid sol.

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 2

Which of the following is not an aerosol?

a. fog b. soda water c. boot polish d. mist

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 3

Pick out the colloid from the following:

a. Muddy water b. glucose solution c. salt solution d. gem.

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 4
How are sol, solution and suspension different from each other? 
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 5
The diameter of the solute particles in a true solution is 10-n m. The value of 'n' will be _____.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 5
Dust-storm is a _____ aerosol.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 6
A suspension is transparent to light.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 6
A colloidal solution is homogeneous in nature.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 6
Colloidal solution may be translucent.