EASY
7th CBSE
IMPORTANT
Earn 100

Classify the following into physical and chemical changes.

Cooking of food 

50% studentsanswered this correctly

Important Questions on Physical and Chemical Changes

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 2

Classify the following into physical and chemical changes.

Growth of a tree 

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 2
Classify the following into physical and chemical change.
Burning of paper
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 2
Classify the following as physical or chemical change:
Weathering of a rock 
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 2

Identify the following as a physical change or a chemical change.

Making ice-cream from milk

MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 3
Why is the sublimation a physical change?
MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 4
What are the characteristics of a chemical change?
HARD
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 5
What is crystallisation? Describe the crystallisation of copper sulphate.
EASY
7th CBSE
IMPORTANT
Science 7>Chapter 6 - Physical and Chemical Changes>Summative ASSESSMENT>Q 1

Select the odd-one-out giving a reason.

Burning of wood, ageing of living beings, stretching of rubber band, rusting of iron