MEDIUM
9th CBSE
IMPORTANT
Earn 100

What is evaporation? How will you show that evaporation causes cooling?

Important Questions on Matter in Our Surroundings

HARD
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 9
Why do we see water droplets on the surface of a glass containing ice-cold water? Explain.
HARD
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 10
How is sublimation different from solidification?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 11
How do solids, liquids, and gases differ in shape and volume?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 12
A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 1
Why do gases exert pressure?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 1
Why do gases fill the containers completely in which it is placed?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 1
Why do gases get compressed?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 2
Convert 395 K to Celsius scale.