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Free download in PDF Matter Multiple Choice Questions with 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.
61
What term is used to describe the phase change of a solid to a liquid?
[A]
Melting
[B]
Boiling
[C]
Freezing
[D]
None of the above
62
Which of these choices will not change the state of matter?
[A]
Crushing a crystal
[B]
Pressure
[C]
Temperature
[D]
None of these
Answer: Crushing a crystal
63
If you leave water in a glass and some molecules turn into a gas, it is called:
[A]
Evaporation
[B]
Extinction
[C]
Condensation
[D]
None of these
64
As of the 1990s, scientists have proved the existence of how many states of matter?
[A]
Five
[B]
Three
[C]
Two
[D]
None of the above
65
For an ideal gas number of moles per litre in terms of its pressure P, gas constant R and temperature T is:
[A]
PRT
[B]
PRT
[C]
PTR
[D]
RTP
66
Select the one that is not a matter:
[A]
Water
[B]
Smoke
[C]
Humidity
[D]
Feeling of hot
67
Which is incorrect statement:
[A]
Matter is continuous in nature
[B]
The density of solid is generally more than that of a liquid
[C]
Of the three state of matter, the one that is most compact is solid state
[D]
In solid state inter-particles space (i.e., empty space) is minimum
Answer: Matter is continuous in nature
68
Which one is a sublime substance?
[A]
Iodine
[B]
Table salt
[C]
Sugar
[D]
None of these
69
S. I. unit of temperature is:
[A]
Kelvin
[B]
Celsius
[C]
Fahrenheit
[D]
None of these
70
Which one is a surface phenomenon?
[A]
Boiling
[B]
Evaporation
[C]
Both (a) and (b)
[D]
None of these
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