EASY
7th CBSE
IMPORTANT
Earn 100

Identify the following changes as Physical or Chemical.

Ripening of fruits

Important Questions on Physical and Chemical Changes

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 4

Classify the following as physical or chemical change:

Respiration in living bieng

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 5

Identify the following as physical or chemical change.

Magnetisation of iron.

EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 6

Classify the following as physical and chemical changes:

Photosynthesis in plants.

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 7

Classify the following as physical and chemical changes:

Burning of kerosene oil in a stove.

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 8

Identify the following as physical or chemical change.

Beating gold into thin foil.

EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 1
Why do iron objects turn reddish brown when exposed to moist air?
MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 2
Write the differences between physical and chemical change. 
MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 6 - Physical and Chemical Changes>LET'S Learn And EVALUATE>Q 3
Explain any three ways of preventing the rusting of iron.