NEET 2023

NEET 2023 Chemistry question on Hydrogen and s-Block Elements

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 high solubility in O2\text{O}_2.
In the light of the above statements, choose the correct answer from the options given below
  1. A.
    Both A and R are true and R correct explanation of A
  2. B.
    Both A and R are true and R is NOT the correct explanation of A
  3. C.
    A is true but R is false
  4. D.
    A is false but R is true
Show answer

Correct option: C

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