EASY
9th CBSE
IMPORTANT
Earn 100

Identify colloids and true solutions from the following. 

i Vinegar ii Muddy water iii Mist iv Aluminium paint.

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 20
What happens, when light is passed through a colloidal solution?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 20
What happens, when electricity is passed through a colloidal solution?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 20
What happens, when the sugar solution is kept undisturbed.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 21
Give one example of a solution of a gas in a liquid.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 21
Give one example of solution of a liquid in solid.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 21
Give one example each of solution of a solid in solid.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 22
State the principle of centrifugation. Give its two applications.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>CHAPTER EXERCISE>Q 23
Define distillation. What types of liquids (substance) can be separated by this process?