Question

a few drops of phenolphthalein were added in a base gives pink colour and unknown solution drop are further added it become colourless what is the solution

Answer 1

A few drops of phenolphthalein indicators were added to an unknown solution A. It acquires pink colour. Now another unknown solution B was added to it drop-by-drop & the solution becomes colorless. Predict the nature of A & B.

1. Sol. A = Basic / Alkaline
2. Sol. B = Acidic / Neutral

Answer 2

Answer:

`A` is basic in nature as phenolphthalein has imparted pink colour

to it. Sol `B` is an acid it has made solution A colourless by neutralizing by its

basic effect

pls mrk as brainliest