Register
Why does the indicator congo red turn blue?
201k views
9 votes
Why does the indicator congo red turn blue?

User Aldin Bradaric
by
7.3k points

1 Answer

8 votes
What color is it in a very acidic solution? Congo red is red in a basic solution and blue in a very acidic solution.
User SARose
by
7.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.8m questions

11.4m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Link Copied!