1.

(A) 1 lit of dry air contains 10ml of noble gas mixture(R) The atmosphere abundance of noble gases in dry air is nearly 1%

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 :A


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