EASY
9th CBSE
IMPORTANT
Earn 100

By which technique of separation, colloidal particles being separated?

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?>Check Point 03>Q 4
Define Tyndall effect.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 03>Q 5
Define dispersion medium.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 03>Q 6
Write the dispersed phase and dispersion medium present in foam. Give an example.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 04>Q 1
By which method of separation the volatile component from its non-volatile solute can be separated?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 04>Q 2
Why direct heating of ink is avoided, during separation of ink?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 04>Q 3
Write two applications of centrifugation techniques.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 04>Q 4
Give two examples of solids which sublimes.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 04>Q 5
What should be the boiling point (°C) for the separation of two miscible liquids by fractional distillation?