Question

what do you know about indictor​

Answer 1

$\huge{\underline{\mathscr{\purple{Hey, Mate....!!!!}}}}$

$\huge{\red{\mathfrak{ANSWER:-}}}$

Indicator
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A way to measure, indicate, point out or point to with more or less exactness.

Or..........

Something that is a sign, symptom or index of.

Answer 2

Answer:

indicators are basically coloured organicaly substances extracted from different plants to identify a substance is acid or base