WAEC - Chemistry (2022 - No. 23)
Which of the following gases is alkaline?
NO\(_{2}\)
CO\(_{2}\)
NH\(_{3}\)
N\(_{2}\)O
คำอธิบาย
Alkaline gases are any gaseous compounds that form an alkali (or basic) solution with a pH greater than 7 when dissolved in water. Ammonia is the most common alkaline gas