Chemistry teacher

Anaya Thakur

Asked: October 22, 2020In: Class 9

Differentiate between homogeneous and heterogeneous mixtures with examples.

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-18 Questions No-1

Anaya Thakur

Asked: October 22, 2020In: Class 9

How are sol, solution and suspension different from each other?

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-18 Questions No-2

Anaya Thakur

Asked: October 22, 2020In: Class 9

To make a saturated solution, 36 g of sodium chloride is dissolved in 100 g of water at 293 K. Find its concentration at this temperature.

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-18 Questions No-3

Anaya Thakur

Asked: October 22, 2020In: Class 9

How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25ºC), which are miscible with each other?

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-24 Questions No-1

Anaya Thakur

Asked: October 22, 2020In: Class 9

Name the technique to separate butter from curd.

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-24 Questions No-2 Part-1

Anaya Thakur

Asked: October 22, 2020In: Class 9

Name the technique to separate salt from sea-water.

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-24 Questions No-2 Part-2

Anaya Thakur

Asked: October 22, 2020In: Class 9

Name the technique to separate camphor from salt.

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-24 Questions No-2 Part-3

Anaya Thakur

Asked: October 22, 2020In: Class 9

What type of mixtures are separated by the technique of crystallization?

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-24 Questions No-3

Sriansh Singh

Asked: October 22, 2020In: Class 9

Classify the following as chemical or physical changes:

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-24 Questions No-1 cutting of trees, melting of butter in a pan, rusting of ...

Sriansh Singh

Asked: October 22, 2020In: Class 9

Try segregating the things around you as pure substances or mixtures.

NCERT Solution for Class 9 Science Chapter 2 Is Matter Around Us Pure NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-24 Questions No-2

Chemistry teacher

Differentiate between homogeneous and heterogeneous mixtures with examples.

How are sol, solution and suspension different from each other?

To make a saturated solution, 36 g of sodium chloride is dissolved in 100 g of water at 293 K. Find its concentration at this temperature.

How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25ºC), which are miscible with each other?

Name the technique to separate butter from curd.

Name the technique to separate salt from sea-water.

Name the technique to separate camphor from salt.

What type of mixtures are separated by the technique of crystallization?

Classify the following as chemical or physical changes:

Try segregating the things around you as pure substances or mixtures.

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