Question

WHaT aRe nAtUrAL iNdiCaToRs:)

Answer 1

Red roses, as well as many other flowers and fruits, contain natural indicators that are sensitive to acids and bases. The indicators react to the the nature of the solution and change colour to indicate them. Indicators when naturally obtained are known as natural indicators.

Answer 2

A ) litmus

. Acid turn blue litmus to red

. Base turn red litmus to blue

B) china rose indicator

. It is light pink in colour

. Acid turn china rose indicator to magenta

. Base turn china rose indicator to green.

C) turmeric indicator

. Turmeric indicator is yellow in acid solution

. Base turn yellow turmeric indicator to red