MEDIUM
9th CBSE
IMPORTANT
Earn 100

What are the characteristics of particles of matter?

Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT
Give a sketch illustrating the different types of interconversion of states of matter.
EASY
9th CBSE
IMPORTANT
Draw a sketch for an experimental set-up for sublimation.
HARD
9th CBSE
IMPORTANT
Draw a graph by plotting temperature versus time for ice.
MEDIUM
9th CBSE
IMPORTANT
Draw a sketch showing the effect of heat on the interparticle spacing and physical states of matter.
EASY
9th CBSE
IMPORTANT
Draw the molecular models of solid, liquid and gas.
HARD
9th CBSE
IMPORTANT
Draw the vibratory motions of the carbon dioxide molecule.
MEDIUM
9th CBSE
IMPORTANT

In the given figure, the inter conversions of matter have been given. The processes involved in the
inter conversions have been marked as A, B, C, D, E and F.

Question Image


a. Name the processes marked as A, B, C, D, E and F.
b. On cooling a liquid, it changes to a new state. Name the state.
c. When a liquid is heated, it changes to a new state. Name the state.
d. When temperature is lowered and the pressure of a gas is increased, what change is expected?

MEDIUM
9th CBSE
IMPORTANT
While determining the boiling point of water in the laboratory, the beaker containing hot water accidentally fell on the hand of a student. A fellow student immediately put cold water on his hand and then placed ice cubes on his hand. He then took the student to the school dispensary for giving him first aid.
A. Define boiling point.
B. Why does temperature remain constant during boiling?
C. How does boiling differ from evaporation?
D. State the values displayed by the fellow student.