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Omaansh

Asked: November 25, 2020In: Class 6 Science

A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?

NCERT Solutions for Class 6 Science Chapter 6 Important NCERT Questions Class 6th Chapter 6 Changes Around Us NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6

Omaansh

Asked: November 25, 2020In: Class 6 Science

Give examples to explain the difference between changes that can or cannot be reversed.

NCERT Solutions for Class 6 Science Chapter 6 Important NCERT Questions Class 6th Chapter 6 Changes Around Us NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Omaansh

Asked: November 25, 2020In: Class 6 Science

A drawing sheet changes when you draw a picture on it. Can you reverse this change?

NCERT Solutions for Class 6 Science Chapter 6 Important NCERT Questions Class 6th Chapter 6 Changes Around Us NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

Ojesh

Asked: November 25, 2020In: Class 6 Science

Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?

NCERT Solutions for Class 6 Science Chapter 5 Important NCERT Questions Class 6th Chapter 6 Separation of Substances NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 10

Ojesh

Asked: November 25, 2020In: Class 6 Science

Fill up the blanks: Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ___________.

NCERT Solutions for Class 6 Science Chapter 5 Important NCERT Questions Class 6th Chapter 6 Separation of Substances NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8 Part: d

A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?

Give examples to explain the difference between changes that can or cannot be reversed.

A drawing sheet changes when you draw a picture on it. Can you reverse this change?

Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?

Fill up the blanks: Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ___________.

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