Question

wht is methyl orange and phenolphthalein?

Answer 1

Methyl orange and phenolphthalein use as indicator , In Acidic solution Methyl orange gives red colour but in basic solution it gives yellow colour . In Acidic solution phenolphthalein is colourless but in basic it gives pink colour . They both are used as a pH indicator .

Answer 2

They are indicators used to find whether a given substance is acid or a base..