What are ‘suspended particles’?

Important Questions on Is Matter Around Us Pure?

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 03>Q 4

Define Tyndall effect.

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 03>Q 5

Define dispersion medium.

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 03>Q 6

Write the dispersed phase and dispersion medium present in foam. Give an example.

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 05>Q 2

What is a physical change? Give an example of physical change.

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 05>Q 3

In which type of change a new substance is formed?

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 05>Q 4

Give an example in which physical and chemical changes takes place together.

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 05>Q 5

Chemical change brings a change in the ________ properties of matter.

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 2 - Is Matter Around Us Pure?>Check Point 05>Q 5

Physical changes are generally _______.