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

Physical Chemistry - Chemical Thermodynamics

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


1.
Which of the following correctly defines a thermodynamic system?
A.
The entire universe under consideration
B.
Only the surroundings of an object
C.
That part of the universe in which observations are made
D.
The boundary between matter and energy
😑 View Answer Rough Work Error
ANSWER :
C. That part of the universe in which observations are made
2.
The universe in thermodynamics is defined as:
A.
Surroundings minus system
B.
System minus surroundings
C.
System divided by surroundings
D.
System plus surroundings
😑 View Answer Rough Work Error
ANSWER :
D. System plus surroundings
3.
A reaction is being carried out in an open beaker placed inside a room. The system here is:
A.
The atmosphere of the room
B.
The entire universe
C.
The reaction mixture in the beaker
D.
The room only
😑 View Answer Rough Work Error
ANSWER :
C. The reaction mixture in the beaker
4.
The wall that separates the system from the surroundings is called:
A.
Interface
B.
Boundary
C.
Partition
D.
Membrane
😑 View Answer Rough Work Error
ANSWER :
B. Boundary
5.
Which of the following statements about the boundary of a thermodynamic system is INCORRECT?
A.
It must always be a physical wall
B.
It controls movement of matter and energy
C.
It can be real or imaginary
D.
It separates system from surroundings
😑 View Answer Rough Work Error
ANSWER :
A. It must always be a physical wall
6.
An open system is one in which:
A.
Neither matter nor energy can be exchanged with surroundings
B.
Only energy can be exchanged with surroundings
C.
Only matter can be exchanged with surroundings
D.
Both matter and energy can be exchanged with surroundings
😑 View Answer Rough Work Error
ANSWER :
D. Both matter and energy can be exchanged with surroundings