MCQOPTIONS
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| 1. |
Helium is added to the oxygen supply used by deep sea divers because [MP PMT 1993; MP PET 1997] |
| A. | It is less soluble in blood than nitrogen at high pressure |
| B. | It is lighter than nitrogen |
| C. | It is readily miscible with oxygen |
| D. | It is less poisonous than nitrogen |
| Answer» B. It is lighter than nitrogen | |