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Discussion :: Refrigeration and Air Conditioning

  1. Carbon dioxide is

    2. A.

     Colourless
    B.

     Odourless
    C.

     Non-flammable
    D.

     All of these

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    Workspace

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    Answer : Option D

    Explanation :

    Carbon dioxide is
    - Colourless
    - Odourless
    - Non-flammable

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