EASY
9th CBSE
IMPORTANT
Earn 100

Define 'concentration' in terms of:

Mass by volume percentage.

Important Questions on Is Matter Around Us Pure

EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 15
State five properties of suspensions.
EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 16
What is the difference between solutions and colloids?
EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 17

What is the difference between colloids and suspensions ?

EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 18
Define dispersed phase and dispersion medium.
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 19
What are the different types of colloids? Give one example of each type.
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 20
State some important properties of colloids.
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 21
State whether colloidal solutions are homogeneous or heterogeneous.
HARD
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 22
What is Brownian movement? What is the cause of Brownian movement?