MEDIUM
9th CBSE
IMPORTANT
Earn 100

What is fractional distillation? What is the use of fractionating column in fractional distillation?

Important Questions on Is Matter Around Us Pure

MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 69
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water. 
HARD
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 70
Explain how, nitrogen, oxygen and argon gases are separated from air. 
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 70
Draw a flow diagram of the processes involved in obtaining gases like nitrogen, oxygen and argon from air.
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 71

A mixture of milk and groundnut oil can be separated by : 

EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 72
Which of the following mixture cannot be separated by using water as the solvent? 
HARD
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 73
The chemical which can be used to separate a mixture of carbon powder and sulphur powder successfully:
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 74
The dyes present in fountain pen ink can be separated by the technique of : 
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 75
Pure copper sulphate can be obtained from an impure sample by the process of: