A restaurant owner has a few bottles of soft drinks in his restaurant. But, unfortunately, these are not labeled. He has to serve the drinks on the demand of customers. One customer wants an acidic drink, another wants a basic and the third wants a neutral drink. How will the restaurant owner decide which drink is to be served to whom?

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Solution

The restaurant owner can decide by using an indicator like litmus paper. If the sample of drink turns red litmus blue, it is basic. If it turns blue litmus red, it is acidic. If the color of litmus does not change then it is neutral.

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Q. Question 7
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