Question

few
lines
about
Indicators
​

Answer 1

Indicators are substances whose solutions change color due to changes in pH. These are called acid-base indicators. They are usually weak acids or bases, but their conjugate base or acid forms have different colors due to differences in their absorption spectra.

Answer 2

Answer:

indicators are substance whose solution change color due to changes pH

Explanation:

An indicators is a specific ,observable and measureable characterstics that can be used to show change or progess a Programme is making toward achieving a specific out come . the indicator should be focused, clear and specific