Question

Dorji has few bottles of soft drink in his restaurant but unfortunately these are not label he has to serve the drink on the demand of customers. One customer once acidic drink another one basic and third one once neutral drink. How will decide which drink is to be served to home ​

Answer 1

Answer:

Dorji can decide with the help of litmus paper.

(i) The drink which would turn a red litmus to blue would be basic.

(ii) If the drink turns a blue litmus to red would be acidic.

(iii) The drink which would not affect both red and blue litmus would be neutral.