Question

which indicator is colour less
according to the acid and base


don't Google it out, you will lose your thinking and answering capacity

only 10 th class and above

no false answers​

Answer 1

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We can say that phenolphthalein remains colourless in acidic and neutral solutions and turns pink in basic solutions.

• It remains colourless till pH of 8.5, while above that it turns pink to deep red in colour.

Answer 2

We can say that phenolphthalein remains colourless in acidic and neutral solutions and turns pink in basic solutions.

• It remains colourless till pH of 8.5, while above that it turns pink to deep red in colour.

Answer 3

We can say that phenolphthalein remains colourless in acidic and neutral solutions and turns pink in basic solutions.

• It remains colourless till pH of 8.5, while above that it turns pink to deep red in colour.

Answer 4

We can say that phenolphthalein remains colourless in acidic and neutral solutions and turns pink in basic solutions.

• It remains colourless till pH of 8.5, while above that it turns pink to deep red in colour.