The gas that can best be collected by downward displacement of air is? by Sunday | Oct 16 | Chemistry JAMB | 0 comments A. Chlorine B. Sulphur (IV) oxide C. Ammonia D. Carbon (IV) oxide Correct Answer: Option C – Ammonia Users Also Read These:A source of sound produces waves in air of…A hydrogen chloride gas reacted with oxygen gas to…A given amount of gas occupies 10.0dm³ at 4atm and…If humid air is polluted by chlorine discharged; the…Which of the following gases can be collected by the…