EASY
9th CBSE
IMPORTANT
Earn 100

Define solubility.

Important Questions on Is Matter Around Us Pure

MEDIUM
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 11
What happens to a saturated solution if heated?
EASY
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 12
Write two characteristics of colloidal solution.
MEDIUM
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 13
How will you test the purity of a sample of seawater?
MEDIUM
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 14
How will you separate small pieces of metals from engine oil?
MEDIUM
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 15

Identify the solutions among the following:

(a) Air         

(b) Seawater 

(c) Starch solution  

(d) Milk

EASY
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 16
Define mass percent.
EASY
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 17

5 g of sodium chloride are dissolved 100 g of water to form a solution. Is this solution saturated in nature?

EASY
9th CBSE
IMPORTANT
Super Simplified Science Chemistry CLASS IX>Chapter 2 - Is Matter Around Us Pure>TEST YOUR KNOWLEDGE>Q 18
Does freezing of ice represent a physical change?