Boojho, Paheli and their friend Golu were provided with a test tube, each containing China rose solution which was pink in colour. Boojho added 2 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
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I think your are class 8
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China rose is a natural indicator which changes acid to pink colour, base to green colour and neutral solutions do not show any changes. So, the solution A is an acid, B is a base and C is neutral.
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