Mcqs states of matter

Chapter: States of matter
Q. Choose the best suitable answer.
Solid particles possess which one of the following motions?
a) rotational motions
b) vibrational motions
c) translational motions
d) both translational and vibrational motions
In the evaporation process, liquid molecules which leave the surface of the liquid have:
a) very low energy
b) moderate energy
c) very high energy
d) none of these
Which one of the following gas diffuses fastest?
a) Hydrogen
b) Helium
c) Fluorine
d) Chlorine
The process in which molecule escape from the surface of liquid is called:
a) evaporation
b) boiling
c) melting
d) sublimation
The temperature at which liquid starts boiling is called:
a) boiling point
b) diffusion
c) melting
d) Sublimation
Which one has negligible forces of attraction between the molecules?
a) Solid
b) Liquid
c) Gas
d) Plasma
The rate of diffusion of gas is ________than liquids.
a) slower
b) faster
c) some time slower some time faster d) none of these
The rate of diffusion of gas is inversely proportion to________.
a) atomic mass
b) molar mass
c) density
d) both b and c
Naphthalene is an example of _________.
a) diffusion
b) sublimation
c) fusion
d) condensation
The process in which solid is directly converted into gas is called ________.
a) evaporation
b) condensation
c) sublimation
d) fusion
Which one is found in all three states of matter?
a) Wood
b) Rubber
c) Water
d) none
The process of spreading of molecule throughout the medium is called ______.
a) hydrolysis
b) diffusion
c) sublimation
d) boiling
The rate of diffusion is faster in gases because of _________.
a) no volume
b) no shape
c) widely spaced molecules
d) none of these
The rapid zig zag motion of particles is known as __________.
a) diffusion
b) Brownian movement
c) sublimation
d) boiling
Which one has the strongest forcers of attraction between the molecules?
a) Liquid
c) Gas
b) Solid
d) Plasma

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