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%

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

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

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

DIRECTIONS: Match Column-I with Column-II and select the correct answe

1.	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.	Crocodile
D.	\[A\to (q);B\to (p);C\to (s);D\to (r)\]
Answer» B. \[A\to (q);B\to (p);C\to (r);D\to (s)\]

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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%

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