Question

The gases respectively absorbed by alkaline pyrogallol and oil of cinnamon is

• A. $O_{3,}$ $CH_{4}$
• B. $O_{2},$ $O_{3}$
• C. $SO_{2},$ $CH_{4}$
• D. $N_{2}O,$ $O_{3}$

Answer 1

Answer: (B)

$O_{2},$ $O_{3}$