MEDIUM
9th CBSE
IMPORTANT
Earn 100

Give reason:

Why graphite is used for making electrode in a dry cell.

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 10

Give reason:

Why copper metal is used for making electric wires.

MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 11

Define mixture. Give two points of evidence to show that sugar solution is a mixture.

MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 12

What are the two types of mixtures? Explain them with examples.

MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 13
State the main points of difference between homogeneous and heterogeneous mixtures.
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 14

State five properties of mixtures.

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

State the properties of compounds.

HARD
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 16
All mixtures are homogeneous. Comment upon this statement.
MEDIUM
9th CBSE
IMPORTANT
Chemistry for Class IX>Chapter 2 - Is Matter Around Us Pure>Exercise>Q 17

Is air a mixture or a compound ? Give three reasons.