Question

Dorji 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
Dorji decide which drink is to be served to whom? (By using red and blue litmus paper.) (NCERT)
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Answer 1

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If red litmus paper is used for a basic drink it will turn to blue .

If blue Litmus Paper is used for an acid drink it will turn to red .

If any of the Litmus Paper is used for a neutral drink it will turn to Green .

In this way it can be decided to serve the drink accordingly .

Answer 2

Answer:

1 Red Litmus will change to blue

2. Blue litmus will change to red

3. If for neutral drink then to green.

Hope this answer might helps you.

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