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Control And Coordination

Question
CBSEENSC10010933
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A drop of phenolphthalein indicator is added to each of three test tubes A, B, C containing solution of sodium sulphate, potassium acetate and ammonium chloride respectively. In which test tube the colour of solution will turn pink? Explain.

Solution
Phenolpthalein gives pink colour with base. The colour of test tube B will turn pink. It contains potassium acetate, a salt of strong base and weak acid. Such solutions are basic in nature.

Some More Questions From Control and Coordination Chapter

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