define indicators? draw different types of indicators in tabular form
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who indicate something.
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nd I not know second answer
so, sorry!!
Ayushchowdhury1011:
An indicator is a specific, observable and measurable characteristic that can be used to show changes or progress a programme is making toward achieving a specific outcome. There should be at least oneindicator for each outcome. The indicatorshould be focused, clear and specific
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Ans= Indicators are substances whose solutions change color due to changes in pH. They are usually weak acids or bases, but their conjugate base or acid forms have different colors due to differences in their absorption spectra.
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