question_answer

DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns.

Column-I (Name of gas in Air)	Column-II (% age of gas in air)
A. Oxygen	(p) 20%
B. Nitrogen	(q) 79%
C. Carbon dioxide	(r) 0.04%
D. Other gases	(s) Less than 1%

A) \[A\to (p);B\to (q);C\to (r);D\to (s)\]

B) \[A\to (q);B\to (p);C\to (r);D\to (s)\]

C) \[A\to (p);B\to (q);C\to (s);D\to (r)\]

D) \[A\to (q);B\to (p);C\to (s);D\to (r)\]