Question

Grace added two drops of phenolphthalein into colourless solution M. She found that the solution remained colourless. (i) Is solution acidic? Explain your answer.​

Answer 1

Answer:

(A) Phenolphthalein is a indicator when dropped into a acid or a neutral substance gives a colorless solution. Therefore we can't use it to decide whether or not a substance is acidic or basic. We can use other indicators also like Methyl orange.

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