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What kind of system does a thermos flask...

What kind of system does a thermos flask containing coffee represents?

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Knowledge Check

  • A thermos flask is polished well

    A
    To make attractive
    B
    For shining
    C
    To absorb all radiations from outside
    D
    To reflect all radiations from outside

  • Hot water in a thermos flask is an example for

    A
    Isolated system
    B
    Open system
    C
    Closed system
    D
    Adiabatic system

  • Tea placed in thermos flask is an example of

    A
    Open system
    B
    Close system
    C
    Isolated system
    D
    It can't act as system

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    Classify the following as open, closed, or isolated system. a. A beaker containing as opne, boiling water. b. A chemical recation taking place in an enclosed flask. c. A cup of tea placed on a table. d. Hot water placed in perfectly insulated closed container. e. A thermos flask containing hot coffee.

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