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It is a substance used to determine the strengths of acids and alkali.

It changes color according to the pH of the material its in. It is so useful because the color also tells you how strong the substance is. As an example, if you were to put a few drops of the indicator in water it would go green. A few drops of it in cleaning products and it would go a deep purple.
A universal indicator can give various colors to a huge variety of pH ranges.

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12y ago

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Universal indicator is a pH indicator solution used to determine the pH of a substance. It contains a mixture of different indicator dyes that change color depending on the pH level of the solution being tested. This allows for a broad range of pH values to be identified by observing the color change.

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10mo ago
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Q: What is universal indicator?
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