🌈 UNIVERSAL INDICATOR

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Last updated 8:14 PM on 9/8/26
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5 Terms

1
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What is universal indicator?

A mixture of indicators that produces different colours over a range of pH values.

2
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What colour does universal indicator generally show in a strongly acidic solution?

Red.

3
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What colour does universal indicator generally show around neutral pH?


Green.

4
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What colour does universal indicator generally show in an alkaline solution?

Blue to purple, depending on the pH.

5
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Why is universal indicator useful?

It gives a range of colours corresponding to different pH values, allowing you to estimate the pH more precisely than with litmus.