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  3. Uttarakhand PMT

Uttarakhand PMT Uttarakhand PMT Solved Paper-2011

  • question_answer
    Welding of magnesium can be done in an atmosphere of

    A)  \[Xe\]              

    B)  He

    C)  Kr              

    D)  \[{{O}_{2}}\]

    Correct Answer: B

    Solution :

     Welding of Mg is done in the atmosphere of He due to its inert and non-inflammable nature.


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