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 sample of air was bubbled into water. The PH of…Air pressure at sea levels is higher than at the top…Which of the following statements is not correct for…A source of sound produces waves in air of…In a mixture of gases which do not react chemically…