A) is lighter than nitrogen
B) is not soluble in blood at high pressure
C) is easily available
D) is less reactive than nitrogen
Correct Answer: B
Solution :
Oxygen, helium \[(1:4)\] mixture is used for treatment of asthma and for artificial respiration in deep sea diving because unlike nitrogen. He is not soluble in blood even under high pressure.You need to login to perform this action.
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