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Which one of these is used by drivers fo...

Which one of these is used by drivers for respiration?

A

`N_(2) +O_(2)` mixture

B

`Ar+O_2` mixture

C

`He+O_(2)` mixture

D

`Ne+O_(2)` mixture

Text Solution

Verified by Experts

The correct Answer is:
C
`N_(2)+O_(2)` mixture is not used because nitrogen is more soluble in blood at high pressure and causes pains in joints but Helium is less soluble so He`+O_(2)` mixture is used by sea divers.
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