The colour of phenolphthalein indicator in dilute HNO3 is? by Sunday | May 9 | Chemistry WAEC | 0 comments A. colourless B. orange C. pink D. purple Correct Answer: Option A A. colourless Users Also Read These:Cu and HNO3 are not suitable for preparing hydrogen…If the pink colour of a petal is dominant over white…Phenolphthalein in acidic solution is?A rock sample was added to cold dilute HNO3. The gas…What is the colour of phenolphthalein indicator in a…