The colour of litmus in an alkaline medium is? by Sunday | Sep 16 | Chemistry JAMB | 0 comments A. Red B. Yellow C. Pink D. Blue Correct Answer: Option D – Blue Users Also Read These:Assuming that brown colour is dominant over black…The refractive index of a given transparent medium…The colour of phenolphthalein indicator in alkaline…The refractive index of a medium relative to air is…The refractive index of a medium relative to air is…