2) Which of the following can be considered as a form of matter? *
1 point
Taste
Smell
Humidity
None of these
3) Which of the following statements is not true regarding the characteristics of matter? *
1 point
Particles of matter are randomly moving in all directions
Kinetic energy of the particles increases with a rise in temperature
Kinetic energy of the particles of all matter remains the same at a particular temperature
Particles of matter diffuse into each other on their own
4) ___________ is the physical quantity which expresses the amount of matter in a body. *
1 point
Gram
Mass
Density
Weight
5) The force that binds the particles of matter together is known as __________. *
1 point
Intermolecular space
Bond
Intermolecular force
Nuclear force
6) When a teaspoon of solid sugar is dissolved in a glass of water, what phase or phases are present after mixing? *
1 point
Liquid only
Solid and liquid
Solid only
None of these
7) Which of the following will not cause a change in the state of matter? *
1 point
Change in temperature
Crushing a crystal
Change in heat
Change in pressure
8) Zig-zag movement of the solute particles in a solution is known as __________. *
1 point
linear motion
circular motion
curved motion
Brownian motion
9) Consider the following statements: (i) Pressure is increased on hydrogen contained in a closed container. (ii) Some hydrogen gas leaks out of the container (iii) Volume of the container of the hydrogen gas is increased. (iv) More hydrogen gas is added to the container without increasing the volume of the container. In which of these conditions would the distance between the molecules of hydrogen gas increase? *
1 point
(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)
10) Name the form of matter which has no fixed shape but has a fixed volume. *
1 point
Krypton
Kerosene
Carbon steel
Carbon dioxide
11) Which of the following statements is false? *
1 point
The molecules in a solid vibrate about a fixed position
The molecules in a liquid are arranged in a regular pattern
The molecules in a gas exert negligibly small forces on each other, except during collisions
The molecules of a gas occupy all the space available
12) Carbon dioxide gas can be easily liquefied and even solidified because *
1 point
it has weak forces of attraction
it has comparatively more force of attraction than other gases
it has more inter-molecular space
it is present in the atmoshere
13) Rate of diffusion is fast in __________. *
1 point
solids
liquids
gases
all of the above
14) Which of the following is not a property of particles of matter? *
1 point
The particles of matter are in stationary state
The particles of matter are extremely small
The particles of matter have spaces between them
Particles of matter attract each other
15) Which of the following have minimum spaces among its particles? *
1 point
Solids
Liquids
Gases
All of the above
16) The ratio of the quantity of matter in an object to its volume is called ___________ . *
1 point
Mass
Density
Volume
Temperature
17) The space inside a container that is occupied by matter is its ___________. *
1 point
density
mass
volume
space
18) Solids are usually ___________ since their particles are closely packed together. *
1 point
soft
spongy
compressible
hard
19) Which of the following describes the liquid phase? *
1 point
It has a definite shape and a definite volume
It has a definite shape but not a definite volume
It has a definite volume but not a definite shape
It has neither a definite shape nor a definite volume
20) Gases have a tendency to mix with each other. The phenomenon is known as __________. *
1 point
chemical reaction
diffusion
effusion
explosion
21) A gas can be compressed to a fraction of its volume. The same volume of a gas can be spread all over a room. The reason for this is that *
1 point
the volume occupied by molecules is negligible as compared to the total volume of the gas
gases consist of molecules having very large intermolecular space which can be reduced or increased under ordinary conditions
gases consist of molecules which are in a state of random motion
none of these
22) Which among the following is not a form of matter? *
1 point
Feeling of cold
Smoke
Water
Ice cube
23) Choose the incorrect statement among the following: *
1 point
Matter is continuous in nature.
Among the three states of matter, the one that is the most compact is the solid state.
In solid state interparticle space is minimum.
The density of a solid is generally more than that of a liquid.
24) Rate of diffusion depends upon ________. *
1 point
temperature
surface area
both temperature and surface area
none of these
25) The one in which interparticle forces are strongest is _________. *
1 point
sodium chloride
hydrogen
ether
carbon dioxide
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2) Humidity
3) Option C
4) Mass
5) Intermolecular Force
6) Solid and Liquid
7) Crushing a Crystal
8) Brownian Motion
9) (ii) and (iii)
10) Carbon Steel
11) Option B
12) It has weak force of attraction.
13) Gases
14) Option A
15) Solids
16) Density
17) Density
18) Hard
19) It has a definite volume but not a definite shape.
20) Diffusion
21) Option B
22) Feeling of Cold
23) Option A
24) Both Temperature and Surface Area
25) Sodium Chloride
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