what are indicators?
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Answered by
7
Answer:
A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH of the solution can be determined visually. Hence, a pH indicator is a chemical detector for hydronium ions or hydrogen ions in the Arrhenius model.
Answered by
1
Answer:
Indicators are substances which show a colour change when brought in contact with acids or bases.
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