Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution? by Sunday | May 13 | Chemistry WAEC | 0 comments A. NO2 B. SO2 C. NH3 D. CO2 Correct Answer: Option D D. CO2 Users Also Read These:A colourless gas with characteristics odour which…When a solution of ammonium trioxocarbonate (IV) is…When sodium hydroxide solution is added to a…The type of chemical bond that exists between…When substance X was added to a solution of bromine…