Helium is used to dilute oxygen in diving apparatus.

Reason: Helium has high solubility in $O_2$

A Both A and R are true and R is the correct explanation of A

B Both A and R are true but R is NOT the correct explanation of A

C A is true but R is false

D A is false but R is true

The answer is C.

Solution

Helium is used because of its very low solubility in blood.

Helium is used as a diluent for oxygen in modern diving apparatus because of its very low solubility in blood.

Concept helium in diving apparatus

62 questions from this chapter have appeared across 25 exam years.