A) it is less soluble in blood than nitrogen under high pressure
B) it is lighter than nitrogen
C) it is readily miscible with oxygen
D) it is less noisonous than nitroeen.
Correct Answer: A
Solution :
Unlike nitrogen, helium is less soluble in blood even under high pressure. Hence a mixture of 80% helium and 20% oxygen is used instead of ordinary air.You need to login to perform this action.
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