Question

the colour of dilute solution of sodium hydroxide turns pink for adding phenolphthalein as and no it is a base when excess of HCL is added the final mixture becomes colourless due to neutralization of base with an acid​

Answer 1

then what is the question?

Answer 2

Answer:

When few drops of phenolphthalein are added to dilute a dilute solution of sodium hydroxide a pink colour. The colour of dilute solution of Sodium hydroxide turns pink or adding Phenolphthalein as  NaOH is a base .When excess of HCl is added the final mixture becomes colourless due to  neutralisation of base with an acid.