EASY
7th ICSE
IMPORTANT
Earn 100

The evaporation of water is a chemical change.
(a)True
(b)False

50% studentsanswered this correctly

Important Questions on Physical and Chemical Changes
MEDIUM
7th ICSE
IMPORTANT
Heat, light or electricity is required for a chemical change.

EASY
7th ICSE
IMPORTANT
Give an example of the following type of change.
A human-made change.

EASY
7th ICSE
IMPORTANT
Give an example of the following type of change.
A non-periodic change.

EASY
7th ICSE
IMPORTANT
Give an example of the following type of change.
A slow change.

EASY
7th ICSE
IMPORTANT
Give an example of the following type of change.
A desirable change.

EASY
7th ICSE
IMPORTANT
Give an example of the following type of change.
An undesirable change.

MEDIUM
7th ICSE
IMPORTANT
Pick the odd one out. Give a reason for your choice.
Boiling an egg, preparing idli, writing a book, baking bread.

MEDIUM
7th ICSE
IMPORTANT
Pick the odd one out. Give a reason for your choice.
The sun rising, lightning striking, a baby growing up, building a dam.
