Question

define the chart of indicator in chemestry​

Answer 1

Answer:

Explanation:

Chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow, which imparts a yellow colour to an alkaline solution.

Answer 2

Answer:

Indicators are substances whose solutions change color due to changes in pH. These are called acid-base indicators.