Which of the following gases is light than air? by Sunday | May 11 | Chemistry WAEC | 0 comments A. CO2 B. SO2 C. HCI D. NH3 Correct Answer: Option D D. NH3 Users Also Read These:A form of carbon used for absorbing poisonous gases…The refractive index of glass for yellow light is…A sample of air was bubbled into water. The PH of…Which of the following gases is absorbed from the…The nitrogen obtained from air has a density higher…