HARD
9th CBSE
IMPORTANT
Earn 100

Name the dispersed phase and dispersion medium in the following colloidal system:  Milk 

Important Questions on Is Matter Around Us Pure? (Elements, Compounds and Mixtures)

HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 4
Name the dispersed phase and dispersion medium in the following colloidal system: Aerosol
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 4
Name the dispersed phase and dispersion medium in the following colloidal system: Gel
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 4
Name the dispersed phase and dispersion medium in the following colloidal system: Sol
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 5
Rewrite in the decreasing order of their size of the particles — solution, suspension and colloid. 
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 6
State what happens when a beam of light is passed through a colloidal system. 
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 7
Which one of the true solution, suspension and colloidal system will not show Tyndall effect?
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 8

Which of the following show Tyndall effect? 
(i) Milk 
(ii) Salt solution 

(iii) Starch solution 
(iv) Solution of copper sulphate 

HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Problems for Proficiency>Q 9
Filtration can be used to separate the components of which one of the following systems?