Home Chemistry Thermodynamics and Thermochemistry Thermodynamic Terms A well stoppered thermos flask contains some…
Chemistry Thermodynamics and Thermochemistry Thermodynamic Terms Single Correct MCQ
Published on: August 11, 2026

A well stoppered thermos flask contains some ice cubes. This is an example of:

A
Closed system
B
Open system
C
Isolated system
D
Non-thermodynamics system

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Verified by Experts
The correct answer is:
C

Because there is no exchange of matter and energy.

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