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