Mention the abundance of noble gases in ...

Mention the abundance of noble gases in air.

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(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%

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

(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

Both A & R are true, R is the correct explanation of A

Both A & R are true, R is not correct explanation of A

A is true, R is false

A is false, R is true

In Fischer-Ringes method of separation of noble gases mixture from air, . . . Is used

90% `CaC_(2)+10%CaCl_(2)`

coconum charcoal

Soda lime+Potash solution

90% `CaCO_(3)+10%` urea