Take about 2 mL of dilute NaOH solution in a test tube and

Last updated: 6/3/2023

Take about 2 mL of dilute NaOH solution in a test tube and add two drops of phenolphthalein solution What is the colour of the solution Add dilute HCl solution to the above solution drop by drop Is there any colour change for the reaction mixture Why did the colour of phenolphthalein change after the addition of an acid Now add a few drops of NaOH to the above mixture Does the pink colour of phenolphthalein reappear Why do you think this has happened