EASY
7th CBSE
IMPORTANT
Earn 100

The rotting of fruits and vegetables is an example of a chemical change. 

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Important Questions on Physical and Chemical Changes

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 4
Limewater is a solution of calcium carbonate in water.
MEDIUM
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 5
Rusting of iron takes place in the presence of moist air.
EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 1
Write P for physical change and C for chemical change.
Evaporation of water
EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 2

Write P for physical change and C for chemical change for the following statement. 

Turning butter into rancid.

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 3

Write P for physical change and C for chemical change for the following statement. 

Formation of dew, frost, snow, hail and fog. 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 4

Write P for physical change and C for chemical change for the following statement. 

Freezing of water. 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 5

Write P for physical change and C for chemical change for the following statement. 

Respiration in living beings. 

EASY
7th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 6 - Physical and Chemical Changes>Exercise>Q 1

Define chemical change.