1.

Which of the following gas mixture is used by the divers inside the sea [AFMC 2004]

A. \[{{O}_{2}}+He\]
B. \[{{O}_{2}}+Xe\]
C. \[{{O}_{2}}+Ar\]
D. \[{{O}_{2}}+{{N}_{2}}\]
Answer» B. \[{{O}_{2}}+Xe\]


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