Click the correct answer (True or False).
Click the correct answer.
Which of the following statements is not true for mass?
It is the quantity of matter.
It is constant everywhere.
It is the amount of force of gravity acting on the mass.
It cannot be zero.
Which of the following terms refers to the intermingling of particles of different substances on their own?
Combining
Mixing
Refining
Diffusion
What is the process of conversion of a liquid into a solid called?
Freezing
Condensation
Sublimation
Evaporation
Click the correct answer.
A/an
is the smallest unit of matter that exhibits all its properties.
molecule
atom
mass
particle
A
is the smallest particle of the matter with independent existence.
molecule
atom
unit
particle
and intermolecular space are responsible for determining the state of matter.
Properties
Density
Brownian motion
Intermolecular force of attraction
The intermolecular force of attraction
as the intermolecular space between the molecules increases.
rises
increases
decreases
lowers
At
temperature and pressure, matter exists in three states based on the arrangement of particles or molecules.
ordinary
high
low
moderate
Solids like rubber can change their shape
.
when an external force is absent
when an external force is applied to them
when an internal force is applied to them
when an internal force is absent
Density of a substance is the amount of matter contained per unit
.
area
perimeter
volume
length
Cohesive forces are the intermolecular forces that exist between molecules of the
.
same substances
different substances
same atoms
different atoms
can be observed by suspending some lycopodium (rubber) powder in a beaker that is half filled with water.
Brownian motion
Diffusion
Suspension
Supernatant
