Phenolphthalein in acidic solution is? by Sunday | Oct 14 | Chemistry JAMB | 0 comments A. red B. orange C. colourless D. yellow Correct Answer: Option C – colourless Users Also Read These:When a crystal was added to its solution, it did not…The colour of the solution formed when ethyne reacts…Three drops of a 1.0 mol/dm³ solution of HCl was…Soils can become acidic as a result of the…25cm³ of a 0.2 mol dm³ solution of Na2CO3 requires…