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 the sea nitrogen and oxygen react to give poisonous nitric oxide
D) nitrogen is highly soluble in water
Correct Answer: A
Solution :
In blood, He is much less soluble than nitrogen, hence\[He-{{O}_{2}}\]mixture is used by deep sea drivers in preference to\[{{N}_{2}}-{{O}_{2}}\]mixture.
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