Fundamentals of Thermodynamics (System and Surroundings, ...) NEET Questions

Physical Chemistry - Chemical Thermodynamics

Fundamentals of Thermodynamics (System and Surroundings, ...) MCQ Questions


7.
A system that exchanges neither energy nor matter with the surroundings is called
A.
An open system
B.
A closed system
C.
An isolated system
D.
A steady-state system
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ANSWER :
C. An isolated system
8.
The total energy of an isolated system

NEET - 2020

A.
Remains constant
B.
Increases
C.
Decreases
D.
Fluctuates
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ANSWER :
A. Remains constant
9.
The work done in an isochoric process is
A.
Positive
B.
Negative
C.
Zero
D.
Variable
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ANSWER :
C. Zero
10.
A process that occurs at constant pressure is called

NEET - 2019

A.
An isothermal process
B.
An adiabatic process
C.
An isobaric process
D.
An isochoric process
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ANSWER :
C. An isobaric process
11.
Which of the following represents an adiabatic process?

NEET - 2018

A.
No heat exchange
B.
No work done
C.
No temperature change
D.
No internal energy change
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ANSWER :
A. No heat exchange
12.
Which of the following best describes an open system?
A.
Exchange of energy but not matter
B.
Exchange of both energy and matter
C.
No exchange of energy or matter
D.
Only exchange of work
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ANSWER :
B. Exchange of both energy and matter