Question

from which substances natural indicators are prepared explain any one in detail with procedure

Answer 1

the best natural indicator is litmus paper and it is prepared from lichen plant

Answer 2

First of all Litmus paper is not a natural indicator..

If u want to have a natural indicator then do this-

Take a paper.

Take some turmeric powder.

Then 1 quarter of spoon water.

Mix it well with turmeric powder.

Then brush the turmeric paster properly on the paper.

Leave it for 2 hrs.

Your natural indicator is ready.