Question
On adding phenolphthalein indicator to a colourless solution, no change is observed. What can be the nature of this solution?
Answer: Option B
:
B
Phenolphthalein is an acid-base indicator which is colourless in acidic and neutral solutions. It turns pink to red in alkaline solutions.
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:
B
Phenolphthalein is an acid-base indicator which is colourless in acidic and neutral solutions. It turns pink to red in alkaline solutions.
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