Question

what are indicators? give examples .​

Answer 1

Answer:

Acid-base indicators are chemicals used to determine whether an aqueous solution is acidic, neutral, or alkaline. Because acidity and alkalinity relate to pH, they may also be known as pH indicators. Examples of acid-base indicators include litmus paper, phenolphthalein, and red cabbage juice.

Answer 2

Answer:

Indicators are substances that are used to test whether a substance is acidic or basic ot neutral in nature. They change their color when added to a solution containing an acidic or a basic substance. Indicators are of two types - natural and artificial. Eg. Litmus paper, china rose, phenolphthalein