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Free download in PDF Matter Short 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.
41
The force that binds the particles of matter together is known as:
[A]
Intermolecular force
[B]
Intermolecular space
[C]
Bond
[D]
Nuclear force
Answer: Intermolecular force
42
When a teaspoon of solid sugar is dissolved in a glass of liquid water, what phase or phases are present after mixing:
[A]
Solid only
[B]
Still solid and liquid
[C]
Liquid only
[D]
None of these
43
In which phase of matter would you expect compound (alcohol exists) at room temperature?
[A]
Liquid
[B]
Plasma
[C]
Solid
[D]
None of these
44
Which of the following expression at constant pressure represents Charles law?
[A]
VT =constant
[B]
PV=constant
[C]
VT=constant
[D]
None of the above
45
A bottle of ammonia and a bottle of dry hydrogen chloride connected through a long tube are opened simultaneously at both ends, the while ammonium chloride ring first formed will be:
[A]
Near the hydrogen chloride bottle
[B]
Throughout the length of the tube
[C]
At the center of the tube
[D]
Near the ammonia bottle
Answer: Near the hydrogen chloride bottle
46
Select the one that when used would be considered as best condition for liquification of a gas:
[A]
Increasing the pressure and decreasing the temperature
[B]
Increasing the temperature
[C]
Decreasing the pressure
[D]
Decreasing the pressure and increasing the temperature
Answer: Increasing the pressure and decreasing the temperature
47
The process of change of liquid state into gaseous state at constant temperature is known as:
[A]
Evaporation
[B]
Melting
[C]
Boiling
[D]
Fusion
48
What is Dry Ice?
[A]
Solid carbon dioxide
[B]
Ice having no water of crystallisation
[C]
Ice that has been dried
[D]
None of these
Answer: Solid carbon dioxide
49
Rate of diffusion depends upon:
[A]
Surface area
[B]
Temperature
[C]
Both temperature and surface area
[D]
None of these
Answer: Both temperature and surface area
50
The evaporation of a liquid can best be carried out in a:
[A]
China dish
[B]
Test tube
[C]
Flask
[D]
None of these
51
Density of a substance is defined as
[A]
ratio of mass and temperature
[B]
product of mass and volume
[C]
ratio of mass and volume
[D]
product of mass and temperature
Answer: ratio of mass and volume
52
The process involving the change of state from solid to gas is called
[A]
Sublimation
[B]
Boiling
[C]
Melting
[D]
None of the above
53
Zig-zag movement of the solute particle in a solution is known as
[A]
Brownian motion
[B]
Circular motion
[C]
Linear motion
[D]
Curved motion
54
Pressure of air at sea level is:
[A]
76 mm of Hg
[B]
760 cm of Hg
[C]
One atmosphere
[D]
All are correct
55
By which apparatus a mixture of an immiscible liquid is separated?
[A]
Separating Funnel
[B]
Distillation Flask
[C]
Burner
[D]
Beaker
Answer: Separating Funnel
56
Which of the following is most suitable for summer?
[A]
Polyester
[B]
Nylon
[C]
Cotton
[D]
Silk
57
Which of the following is not endothermic process?
[A]
Temperature
[B]
Fusion
[C]
Vapourisation
[D]
Insoluble heavy impurities
58
The boiling point of alcohol is 78oC. What is this temperature in Kelvin scale:
[A]
351 K
[B]
373 K
[C]
78 K
[D]
None of these
59
Volume of a gas at a particular temperature and on atmospheric pressure is 200 ml. Keeping the temperature constant if pressure is increased to 5 atmosphere, then volume of the gas will be:
[A]
40 ml
[B]
207 ml
[C]
205 ml
[D]
None of these
60
Equal volumes of all gases under similar conditions of temperature and pressure contain equal numbers of molecules. This statement was made by:
[A]
Avogadro
[B]
John Dalton
[C]
Gay- lussae
[D]
Berzilius
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