2.1 Basic Concepts of Matter

Report 1 / 5

Which of the following shows the correct pair?

	Change of state	Force of attraction between particles
(A)	Condensation	Weaker
(B)	Melting	Stronger
(C)	Sublimation	Weaker
(D)	Freezing	Weaker

Difficulty Level: Medium

Report 2 / 5

Which of the following depicts the atomic arrangement for the liquid state?

(A)

(B)

(C)

Difficulty Level: Easy

Report 3 / 5

Which of the following statement is true about the liquid state?

(A)		The attraction force between particles is strong but less than the gas state

(B)		The kinetic energy of particles is higher than the gas state

(C)		The liquid state is the final physical state for the sublimation process

(D)		The particles are closely packed but not in an orderly manner

Difficulty Level: Medium

Report 4 / 5

A few ice cubes are put in a glass cup and left on the table at room temperature. After an hour, what are the observations that can be seen at the cup?

I.		Water droplets are formed at the outer surface of the cup

II.		The ice cubes melted

III.		The water from the melted ice cubes turned into ice cubes back

IV.		The ice cubes did not show any changes

Difficulty Level: Easy

Report 5 / 5

The formation of the cloud is from which process?

Difficulty Level: Medium