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Discussion :: Environmental Engineering

  1. Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm.

    2. A.
    <1
    B.
    10-100
    C.
    100-200
    D.
    100-1000

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    Answer : Option A

    Explanation :

    No answer description available for this question.

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