

MCQOPTIONS
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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. \[{{O}_{2}}+Xe\] | |