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

Physical Chemistry - Chemical Thermodynamics

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


7.
Reactants in a sealed copper vessel constitute which type of system?
A.
Isolated system
B.
Closed system
C.
Adiabatic system
D.
Open system
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ANSWER :
B. Closed system
8.
A thermos flask containing hot coffee approximates which type of system?
A.
Open system
B.
Isolated system
C.
Heterogeneous system
D.
Closed system
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ANSWER :
B. Isolated system
9.
Which of the following is an example of an open system?
A.
Boiling water in an open kettle
B.
Reaction in a sealed steel container
C.
Tea in a thermos flask
D.
Hot water in a closed insulated bottle
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ANSWER :
A. Boiling water in an open kettle
10.
In a closed system:
A.
Both matter and energy are exchanged with surroundings
B.
Only matter is exchanged with surroundings
C.
Only energy is exchanged with surroundings
D.
Neither matter nor energy is exchanged with surroundings
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ANSWER :
C. Only energy is exchanged with surroundings
11.
The presence of reactants in a thermos flask is an example of:
A.
Open system
B.
Isolated system
C.
Adiabatic system in motion
D.
Closed system
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ANSWER :
B. Isolated system
12.
Which type of system allows exchange of energy but not matter?
A.
Open
B.
Closed
C.
Isolated
D.
Adiabatic
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ANSWER :
B. Closed