MEDIUM
9th CBSE
IMPORTANT
Earn 100

A system shows Tyndall effect and Brownian motion. Does this system represent a true solution or colloid? 

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)>Questions on Higher Order Thinking Skills (HOTS)>Q 9
Name the technique of separating the components of ink. 
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Questions on Higher Order Thinking Skills (HOTS)>Q 10
Arrange true solution, suspension and colloid in the increasing order of their particle sizes. 
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Multiple Choice Questions (MCQ)>Q 1
Which one is not a physical change?
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Multiple Choice Questions (MCQ)>Q 2
Which one is not a chemical change?
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Multiple Choice Questions (MCQ)>Q 3
An element is a pure substance which cannot be broken into simpler substances than itself and each atom of which has
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Multiple Choice Questions (MCQ)>Q 4
Which one of the following is not a chemical substance?
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Multiple Choice Questions (MCQ)>Q 5
Ammonium chloride is separated from a mixture by
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 2 - Is Matter Around Us Pure? (Elements, Compounds and Mixtures)>Multiple Choice Questions (MCQ)>Q 6
What is the correct order of separating salt, sand and camphor from a mixture?