Question

Which would quickly absorb oxygen?

• A. Alkaline solution of pyrogallol
• B. $Conc \cdot H_2SO_4$
• C. Lime water
• D. Alkaline solution of $CuSO_4$

Answer 1

Answer: (A)

Alkaline solution of pyrogallol

Answer 2

Alkaline solution of pyrogallol is used to absorb
dioxygen gas $(O_2)$.