Given below are two statements: one is labelled as Assertion A an… - Vidyadip

MCQ

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion (A): Helium is used to dilute oxygen in diving apparatus.
Reason (R): Helium has very low solubility in Blood.
In the light of the above statements, choose the correct answser from the options given below:

A
A is false but R is true.
✓
Both A and R are true and R is the correct explanation of A.
C
Both A and R are true and R is NOT the correct explanation of A
D
A is true but R is false.

✓

Answer

Correct option: B.

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

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

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