Define dispersed phase and dispersion medium.

Important Questions on Is Matter Around Us Pure

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?

MEDIUM

9th CBSE

IMPORTANT

Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 23

Explain what happens when a beam of light is passed through a colloidal solution?

MEDIUM

9th CBSE

IMPORTANT

Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 24

Which of the two will scatter light: soap solution or sugar solution? Why?

EASY

9th CBSE

IMPORTANT

Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 25

What is Tyndall effect? Explain.

MEDIUM

9th CBSE

IMPORTANT

Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 26

Give some examples of Tyndall effect.