State one application of centrifugation.  

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>Very Short Answer Type Questions>Q 23

What is the general name of the process by which tea-leaves are separated from prepared tea? 

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Very Short Answer Type Questions>Q 24

Name the process you would use to separate a mixture of water and alcohol. 

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Very Short Answer Type Questions>Q 25

Name the apparatus you would use to separate oil from water. 

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Very Short Answer Type Questions>Q 26

What differences in the properties of oil and water enable their separation by a separating funnel?

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Very Short Answer Type Questions>Q 27

Name the common process by which common salt is obtained from seawater.

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Very Short Answer Type Questions>Q 27

Name the process by which common salt is purified. 

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Very Short Answer Type Questions>Q 28

Name the process which can be used to purify an impure sample of copper sulphate. 

EASY

9th CBSE

IMPORTANT

Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Very Short Answer Type Questions>Q 29

Name the process by which all the dye can be recovered from black ink. (Crystallisation/ Chromatography)