6. Universal indicator paper is used to tell whether chemicals are acid or alkali.

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asked Jan 12, 2023 111k views

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Bruce Nielson · Answer 1 · 2023-01-17T05:19:31+0000

A universal indicator can be in paper form or present in a form of a solution.
Paper form: It is a strip of coloured paper which changes colour to red if the solution is acidic and to blue, if the solution is basic.

6. Universal indicator paper is used to tell whether chemicals are acid or alkali.

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