Suggest the separation process for the separation of benzene (Boiling point = $80 ° C$ ) from toluene (Boiling point = $110 ° C$ ) with which it is miscible.

Important Questions on Is Matter Around Us Pure?

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 19

Suggest the separation process for the separation of common salt from a solution of common salt and water.

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 19

Suggest the separation process for the separation of alcohol from a mixture of water and alcohol.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 19

Suggest the separation process for the separation of sulphur from a mixture of carbon particles and powdered sulphur.

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 19

Suggest the separation process for the separation of oil from a mixture of oil and water.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 19

Suggest the separation process for the separation of iodine from a mixture of powdered iodine and ammonium chloride.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 20

Distinguish between a compound and a mixture.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 21

State the characteristics of physical change and chemical change.

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 1

Chromatography means colour writing. Chromatography is the most modern and versatile method used for the purification, separation and testing the purity of organic and inorganic compounds.
A. On what basis the components of a mixture get separated by paper chromatography?
B. How are the components of black ink separated by paper chromatography?
C. Is the separation by chromatography restricted to only coloured compounds?
Give reasons.