(iii)What do you understand by Indicator. Write different types of indicator.
Answers
Answer:
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.
Type of indicators
Input indicators. These indicators refer to the resources needed for the implementation of an activity or intervention. ...
Process and output indicators. Process indicators refer to indicators to measure whether planned activities took place. ...
Outcome indicators. ...
Impact indicators.
Explanation:
hope this answer will help you
The objects which are used to know wether a substance is an acid or a base are called indicators.
Some indicators are methyl orange phenolphthalein and litmus paper