Question

name a natural indicator used for identifying a basic substance. also mention the colour change​

Answer 1

Answer:

turmeric

Explanation:

in base colur change in reddish brown

and in base it remain same yellow

Answer 2

Answer:

When Phenolphthalein is added to basic solution then it appears pink in color. Natural indicators are the substances used to determine the pH of a substance. For example, turmeric and beet root juice are the natural indicators.