Question

phenolphthalein and methly orange are ______ indicators​

Answer 1

Answer:

Laboratory

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

Answer:

they are used as ph indicators