EASY
4th CBSE
IMPORTANT
Earn 100

Fill in the blank with the right word.

All matter is made up of tiny, invisible particles called . (germs/ atoms)

66.67% studentsanswered this correctly

Important Questions on Matter and Molecules

EASY
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q B

Fill in the blank with the right word.

When an insoluble solid is put in a liquid, the level of the liquid _____. (increases/ decreases)

MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q C
When the salt dissolves in water, the level of water does not increase. Give reason.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q C
Ice is a solid while water is a liquid. Give reason.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q C
Melting of ice is a physical change. Give reason.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q C
The smell of perfume spreads in the room. Give reason.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q C
Gases do not have a definite volume. Give reason.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q C
Burning of paper is a chemical change. Give reason.
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE.>Chapter 8 - Matter and Molecules>EXERCISES>Q C
Air is matter. Give reason.