1.

(A): The mole fraction of argon in air is 0.95 (R): The volume percentage of all noble gases in air is equal to unity

Answer»

Both (A) and (R) are true and (R) is the CORRECT EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is false
Both (A) and (R) are false

Answer :D


Discussion

No Comment Found