Question

How is China rose indicator extracted?

Answer 1

Answer:

Soak some petals of china rose in warm water for a couple of hours. The red-coloured solution is used as an indicator for detecting an acid or a base solution. It turns into magenta in acidic medium and green in basic medium. Hence, it is a natural indicator.

Answer 2

Explanation:

When the China rose petals are boiled in hot water in a beaker, it changes it's colour. It's colour changes to magenta when added to an acid and turns green when added to a base.

Hope it helps you...