Question

when a few drops of phenolphthalein are added to a dilute solution of sodium hydroxide a pink colour is produced what will be the colour of the final mixture when the excess of HCL is added to it​

Answer 1

If HCl is added the solution loses its colour and turns out colourless since HCl neutralizes sodium hydroxide being an acid.

Answer 2

The colour when excess hcl is added is colourless