Question

10.What is made by mixing several indicators? *

Answer 1

Answer:

A universal indicator is made by mixing several indicators

Answer 2

$\huge \mathfrak \red { \underline { A Universal Indicator}}$

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A universal indicator is made by mixing several synthetic indicator in specific proportion.

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I hope my answer helps you....

$\huge \mathfrak \purple { \underline {Stay positive}}$