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Helium - oxygen mixture is used by deep ...

Helium - oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture, because

A

helium is much less soluble in blood than nitrogen

B

nitrogen is much less soluble in blood than helium

C

due to high pressure deep under sea nitrogen and oxygen react to give poisonous nitric oxide

D

Nitrogen is highly soluble in water.

Text Solution

Verified by Experts

The correct Answer is:
A
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