MCQ
DIRECTIONS: Match Column$-I$ with Column$-II$ and select the correct answer using the codes given below the columns.
|
S.No.
|
Column-I (Name of gas in Air)
|
S.No.
|
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 $1\%$
|
- ✓$A \rightarrow (p); B \rightarrow (q); C \rightarrow (r); D \rightarrow (s).$
- B$A \rightarrow (q); B \rightarrow (p); C \rightarrow (r); D \rightarrow (s).$
- C$A \rightarrow (p); B \rightarrow (q); C \rightarrow (s); D \rightarrow (r).$
- D$A \rightarrow (q); B \rightarrow (p); C \rightarrow (s); D \rightarrow (r).$
