EASY
9th CBSE
IMPORTANT
Earn 100

Give the names of the most abundant and the next most abundant element in the earth's crust.

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 3
Give the names of the elements present in:
A. methane 
B. glucose 
C. bleaching powder 
D. chalk 
E. aqueous solution of calcium chloride 
F. graphite 
G. unleaded petrol.
 
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 4
In which of the following substances are there strongest and weakest inter particle attractive forces: carbon monoxide, potassium chloride, water, methanol, sugar?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 5
Identify the elements from the following:
a. sugar 
b. steam 
c. neon 
d. chromium 
e. molybdenum 
f. coal.
 
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 6

Classify the following as homogeneous and heterogeneous mixtures:
a. salt solution 
b. blood 
c. milk 
d. sand-sugar 
e. sulphur-ammonium chloride 
f. iodised salt.

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 7

Pick out the odd-one from the following:

sugar, coal, milk, honey, bronze.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 8

Pick out the odd-one from the following:

Steam, diamond, silver, nitrogen.

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 9
The substances made up of only one type of atoms are called _____.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 2 - Is Matter Around Us Pure?>CHECK YOUR PROGRESS>Q 9
_____ is a metal which is liquid at room temperature. (Bromine/ Mercury)