MEDIUM
9th CBSE
IMPORTANT
Earn 100

What is meant by concentration of a solution ?

Important Questions on Is Matter Around Us Pure

MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 9
What is a suspension? Give two examples.
EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 10

What is a colloidal solution? Give two examples.

EASY
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 11
What is the particle size of suspension?
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 12
What is the particle size of a colloidal solution?
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 13

Define emulsion. Give two examples.

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9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 14

How will you test whether the given solution is a colloidal solution?

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9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 15

What is the reason for the difference in properties of solution, colloids and suspension?

MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 16

What is a physical change? Give two examples of physical changes.