High purity nitrogen is used in Options: A . &nbspNeither A nor B B . &nbspBoth A & B C . &nbspFire fighting purposes D . &nbspMaking protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils

High purity nitrogen is used in

Question

High purity nitrogen is used in

Options:

A . Neither A nor B

B . Both A & B

C . Fire fighting purposes

D . Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils

Answer: Option B

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