EASY
9th CBSE
IMPORTANT
Earn 100

Identify the solutions among the following mixtures: 
a. soil 
b. sea water
c. air 
d. coal
e. soda water.     

Important Questions on Is Matter Around Us Pure?

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 1

What is meant by the terms' element, compound and mixture?

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 2

Give two characteristics of a chemical compound.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 3

Write two points of differences between a mixture and a chemical compound.

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 4

Give one example of each of the following: 
a. Solution of a solid in a solid

b. Solution of a gas in a liquid.

HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 5
How is matter classified on the basis of the chemical constitution?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 6

Name the element which is most abundant in the earth's crust.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 7

How many total elements are there?

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>Practice Questions>Q 8

Is air a compound or mixture? Give two reasons in support of your answer.