EASY
7th ICSE
IMPORTANT
Earn 100

When a metal is hammered into sheets, its chemical composition changes. 

50% studentsanswered this correctly

Important Questions on Physical and Chemical Changes

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 4
In deposition, a substance changes from solid to gaseous state. 
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>Stop and Check>Q 5
A physical change can be reversible or irreversible. 
EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 1

Which of these involves a periodic change?

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 2

Which of these is not an indication of a physical change?

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 3

Which of the following correctly categorises the changes taking place when a baby bird develops from an egg? 

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 4

Energy is absorbed during

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 1

Classify the following as physical or chemical change.

Crushing a piece of chalk. 

EASY
7th ICSE
IMPORTANT
Inspired Chemistry-7>Chapter 2 - Physical and Chemical Changes>CHECKPOINT>Q 2

Classify the following as physical or chemical change.

Dissolving sugar in water.