MEDIUM
9th CBSE
IMPORTANT
Earn 100

Draw a flow diagram of the processes involved in obtaining gases like nitrogen, oxygen and argon from air.

Important Questions on Is Matter Around Us Pure

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:
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 76
The material which is added to water during the purification process at the waterworks to disinfect it is:
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 77
The technique which is used to separate particles of a solid suspended in a liquid quickly is called: 
EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Multiple Choice Questions (MCQs)>Q 78
Naphthalene can be separated from sand: