136k views
3 votes
Phenol red is a common ph indicator. you add phenol red to an unknown substance and it turns yellow. what does this indicate about the ph of the substance?

User Laokoon
by
7.6k points

1 Answer

1 vote
it's ph is lower than 7
User Guillaume Vincent
by
8.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.