HARD
9th CBSE
IMPORTANT
Earn 100

Differentiate between homogeneous and heterogeneous mixtures with examples.
Important Questions on Is Matter Around Us Pure? (Elements, Compounds and Mixtures)
EASY
9th CBSE
IMPORTANT
Identify solutions from the following list:
(a) Soil
(b) Air
(c) Sea water
(d) Coal
(e) Soda water

HARD
9th CBSE
IMPORTANT
Classify the following into elements, compounds and mixtures.
(a) Calcium
(b) Water
(c) Dry ice
(d) Milk
(e) Soil
(f) Soap

EASY
9th CBSE
IMPORTANT
Classify the following as chemical and physical change:
Cooking of food.

MEDIUM
9th CBSE
IMPORTANT
Classify the following as chemical and physical change:
Heating platinum.
MEDIUM
9th CBSE
IMPORTANT
Classify the following as chemical and physical change:
Freezing of water is _____ change. (Chemical/ Physical)

EASY
9th CBSE
IMPORTANT
Classify the following as chemical and physical change:
Drying of clothes is _____ change. (Chemical/Physical)

MEDIUM
9th CBSE
IMPORTANT
Classify the following as chemical and physical change:
Mixing of iron nails and sand is _____ change. ( Chemical/Physical)

EASY
9th CBSE
IMPORTANT
Classify the following as chemical and physical change:
Burning of methane is _____ change. (Chemical/ Physical)
