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:The refractive index of glass for yellow light is…A parallel beam of light is to be obtained from the…Which of the following gases is used to retard the…A source of sound produces waves in air of…A to eater to glass to air to water to glass to air.…