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Free download in PDF Matter Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(21)
By which technique salt is obtained from sea-water?
[A]
Evaporation
[B]
Chromatography
[C]
Filtration
[D]
Distillation
(22)
CO2 can be easily liquified and even solidified because
[A]
It has comparatively more force of attraction than other gases
[B]
It is present in atmosphere
[C]
It has weak forces of attraction
[D]
All of the above
Answer: It has comparatively more force of attraction than other gases
(23)
Bose-Einstein Condensate have
[A]
Highest kinetic energy
[B]
High kinetic energy
[C]
Very low kinetic energy
[D]
None of these
Answer: Very low kinetic energy
(24)
The quantity of matter present in an object is called its:
[A]
Mass
[B]
Density
[C]
Weight
[D]
Gram
(25)
The boiling point of water on Celsius and Kelvin scale respectively is:
[A]
100, 373
[B]
273, 373
[C]
373, 273
[D]
0, 273
(26)
When we put some crystals of potassium permanganate in a beaker containing water, we observe that after sometime whole water has turned pink. This is due to:
[A]
Diffusion
[B]
Boiling
[C]
Sublimation of crystals
[D]
Melting of potassium permanganate crystals
(27)
The state of matter which consists of super energetic particles in the form of ionized gases is called:
[A]
Plasma state
[B]
Gaseous state
[C]
Liquid state
[D]
Bose- Einstein condensate
(28)
Which of the following describes the liquid phase?
[A]
It has a definite volume but not a definite shape
[B]
It has a definite shape but not a definite volume
[C]
It has a definite shape and a definite volume
[D]
It has neither a definite shape nor a definite volume
Answer: It has a definite volume but not a definite shape
(29)
Boyle’s law states that the:
[A]
Pressure of a gas is inversely proportional the volume at constant temperature
[B]
Volume is directly proportional to the temperature at constant pressure
[C]
Pressure of a gas is directly proportional to the temperature at constant volume
[D]
None of these
Answer: Pressure of a gas is inversely proportional the volume at constant temperature
(30)
Non- reacting gases have a tendency to mix with each other. This phenomenon is known as:
[A]
Effusion
[B]
Explosion
[C]
Chemical reaction
[D]
None of these
31
What is the term used to describe the phase change of a liquid to a gas?
[A]
Condensation
[B]
Melting
[C]
Boiling
[D]
None of the above
32
What s the term used to describe the phase change as a liquid becomes a solid?
[A]
Freezing
[B]
Condensation
[C]
Evaporation
[D]
None of the above
33
Which has the least energetic molecules?
[A]
Liquids
[B]
Gases
[C]
Plasmas
[D]
Solids
34
Out of the following which is the densest state of matter?
[A]
Plasmas
[B]
Liquids
[C]
Gases
[D]
Solids
35
Name the particles which make up matter?
[A]
Atoms
[B]
Non metals
[C]
Metalloids
[D]
Metals
36
Particles of matter have following characteristics:
[A]
They are very small
[B]
They attract each other
[C]
They constantly move
[D]
All of the above
37
For dryness why crystallisation is a better technique than evaporation?
[A]
Impurities get removed
[B]
Solid gets charged
[C]
Decomposition of solid takes place
[D]
All of the above
Answer: Impurities get removed
38
The process in which heat is required to convert a liquid into the vapour state is known as:
[A]
Latent heat of Vaporisation
[B]
Condensation
[C]
Evaporation
[D]
Melting
Answer: Latent heat of Vaporisation
39
Which of the following has heighest kinetic energy?
[A]
Particles of steam at 100 °C
[B]
Particles of water at 100 °C
[C]
Particles of ice at 0 °C
[D]
Particles of water at 0 °C
Answer: Particles of steam at 100 °C
40
Which of the following does not affect rate of evaporation?
[A]
Insoluble heavy impurities
[B]
Wind speed
[C]
Surface area
[D]
Temperature
Answer: Insoluble heavy impurities
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