Question

Universal indicator is more meaningful tham an ordinary indicator.why?

Answer 1

1. Ordinary acid-base indicators can be used to only identify the nature of the sample we use, whether it is a base or an acid. However, universal indicator is used to find the strength of the substance by denoting its pH value.

2. Acid-base indicators show only one or two colour change but universal indicator shows a range of colours in different media of different pH.

Answer 2

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