Question

Boojho, Paheli and their friend Golu were provided with a test tube
each containing China rose solution which was pink in colour. Boojho
added two drops of solution ‘A’ in his test tube and got dark pink
colour. Paheli added 2 drops of solution ‘B’ to her test tube and got
green colour. Golu added 2 drops of solution ‘C but could not get any
change in colour. Suggest the possible cause for the variation in their
results.​

Answer 1

China rose indicator turns acidic solutions to dark pink (magenta) and basic solutions to green. Thus ‘A’ is an acidic solution and ‘B’ is a basic solution. No change in colour of solution ‘C’ indicates that ‘C’ is a neut

Answer 2

China Rose is a natural indicator which turns acid to pink , base to green and neutral solutions doesnt show any changes. So, solution a is an acid , Solution B is a base and solution C is a neutral solution.

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