Question:medium

A thermo flask is

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An isolated system is one where neither matter nor energy is exchanged with the surroundings
Updated On: Jan 17, 2026
  • Closed system
  • Open system
  • Isolated system
  • Adiabatic closed system
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The Correct Option is C

Solution and Explanation

A thermos flask is an isolated system, designed to prevent the exchange of matter or heat energy with its surroundings. This design minimizes heat transfer, ensuring its contents maintain a constant temperature.
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