MEDIUM
9th CBSE
IMPORTANT
Earn 100

Is alcohol is a mixture or a pure substance? 

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 40
Do pure substances always have one phase? 
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 41
Is mixture a pure substance? 
HARD
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 42
Calculate the volume by volume percent solution formed by combining 18 ml of pure hydrogen peroxide with water to make 630 ml of solution. 
HARD
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 43
If 7.5 ml of ethyl alcohol is dissolved in a water solution such that total volume of solution is 450 ml, calculate the concentration of the ethyl alcohol expressed as a volume percent? 
HARD
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 44
Draw labeled diagram of the apparatus used to separate a mixture of two immiscible liquids. 
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 45

You are provided with soda water, milk and muddy water. How can you differentiate between them in terms of homogeneity.

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 45
You are provided with soda water, milk and muddy water. How can you differentiate between them in terms of filtration.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 2 - Is Matter Around Us Pure?>ASSESS YOURSELF>Q 45

You are provided with soda water, milk and muddy water. How can you differentiate between them in terms of Tyndall effect.