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NEETChemistryThermodynamics (C)

If a thermos flask contains hot coffee and is sealed, what type of system does it represent in thermodynamics?

Options

  1. AAn open system
  2. BA closed system
  3. CAn isolated system
  4. DA dynamic system

Correct answer

C. An isolated system

Step-by-step solution

A sealed thermos flask does not allow any exchange of energy or matter with the surroundings, making it an isolated system.

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