Question

WHY THE PH PAPER IS KNOWN AS UNIVERSAL INDICATOR?
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Answer 1

Answer:

PH paper is known as universal indicator because it shows different colours at different concentrations of hydrogen ions in a solution..

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Answer 2

Answer:

ph paper is important for checking which is acid and which is base ph paper shows different colors pink blue color is base and red color is acid it helps for finding chemicals which is acid or base so it is called universal indicator