Which of the following gases is colourless, odourless and soluble in potassium hydroxide solution? By: Sunday|Published on: May 13|Categories: 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…To what volume must 300cm³ of 0.60M sodium hydroxide…What technique is suitable for separating a binary…When substance X was added to a solution of bromine…When sodium hydroxide solution is added to a…SEE ALSO What will happen if more heat is applied to the following system at equilibrium? X2(g) + 3Y2(g) ⇌ 2XY3(g); ∆H =-kJmol -1