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  1. High purity nitrogen is used in

    2. A.
    making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils.
    B.
    fire fighting purposes.
    C.
    both (a) & (b).
    D.
    neither (a) nor (b).

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    Workspace

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    Answer : Option C

    Explanation :

    No answer description available for this question.

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