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Class 12 NEET Chemistry P Block Elements Questions

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Question : 2

Total: 101

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.
In the light of the above statements, choose the correct answer from the options given below

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

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