Question 1: Which of the following is NOT a characteristic of a gas?

Low compressibility
Low density
No definite shape
No definite volume

Question 2: The motion of gas particles in a substance ------ ?

Linear
Circular
Simple harmonic
Random

Question 3: Non reacting gases have a tendency to mix with each other. The phenomenon is known as --------?

Diffusion
Effusion
Expansion
Chemical reaction

Question 4: Arrange the following substances in the increasing order of force of attraction between the liquid ?

Solid < liquid < gas
Solid < liquid > gas
Solid > liquid < gas
Solid > liquid > gas

Question 5: Which of the following statement is true regarding gases ?

Gases are highly incompressible
Gases exert equal pressure on each and every direction
its volume is fixed
gases have the highest density among the 3 States of matter