Question

Surya has a few bottles of soft drink in his restaurant but unfortunately these are not labelled.
He has to serve the drinks on the demand of customers. One customer wants acidic drink,
another wants basic and third one wants neutral drink. How will Surya decide which drink is to
be served to whom? He only has a purple cabbage indicator to help him.

Answer 1

After using the purple cabbage indicator.In an acidic environment it is reddish-pink, in a neutral environment it is purple, and in a basic (or alkaline) environment it turns bluish-green and even yellow.