EASY
9th CBSE
IMPORTANT
Earn 100

What is the difference between an aqueous solution and a non-aqueous solution? Give one example of each.

Important Questions on Is Matter Around Us Pure?

MEDIUM
9th CBSE
IMPORTANT
How does the particle size vary in a true solution, a suspension and a colloid?
MEDIUM
9th CBSE
IMPORTANT
Distinguish between true solution and colloid. Give one example of each.
MEDIUM
9th CBSE
IMPORTANT

Explain the terms:

a.compound

b.colloid.

MEDIUM
9th CBSE
IMPORTANT
How does a true solution differ from a colloid? How will you test whether a given solution is a colloid?
HARD
9th CBSE
IMPORTANT
In what form do elements occur in nature?
MEDIUM
9th CBSE
IMPORTANT
What is the atomic number of the latest element discovered? What is its name? 
MEDIUM
9th CBSE
IMPORTANT

Give one example of each of the following:

a. A solution of a gas in a liquid.

b. A solution of two gases.

c. A solution of two liquids.

d. A solution of two solids.

MEDIUM
9th CBSE
IMPORTANT
Identify the following as mixture or compound: 
a. blood 
b. kerosene 
c. petrol 
d. water 
e. toothpaste.