Lakhmir Singh Solutions Class 10 Chemistry Solutions for Exercise in Chapter 2 - Chapter 2 Acids, Bases and Salts

Question 75 Exercise

What is the name of the indicator which can be used for testing the pH of a solution?


A universal indicator is used for testing the pH of a solution. It shows different colours at different concentrations of hydrogen ions. The indicator gives us an idea of how strong or weak an acid or base is.

Thymol blue and phenolphthalein are examples of universal indicators.

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