The presence of ammonia gas in a desiccator can exclusively be removed by?

A. phosphorus (V) oxide
B. fused calcium chloride
C. calcium chloride
D. concentrated tetraoxosulphate (VI) acid

Correct Answer:

Option D – concentrated tetraoxosulphate (VI) acid

Explanation

Ammonia gas can be removed from a desiccator by adding a conc. H2SO4 so as to neutralize it since ammonia gas is basic.