Question

if we make an indicator by first dipping filter paper in China rose solution and then in hydrochloric
acid, what will be the colour change indicated by the paper strip?​

Answer 1

Answer:

China Rose as Indicator

Explanation:

• Use the coloured water as an indicator. Add five drops of the indicator to each of the solutions. A solution of china rose turns green in a basic solution, and bright pink or magenta in an acidic solution