Lesson: PH Indicators
In this lesson, we will learn how to describe the color changes of common pH indicators and identify suitable pH indicators for particular titrations.
Sample Question Videos
Worksheet: 3 Questions • 1 Video
Fill in the blanks: Litmus is a mixture of dyes extracted from lichen. It can be used to detect if solutions are acidic or basic. It is in acidic solutions and in basic solutions.
What is the key feature of a chemical that makes it useful as a pH indicator?
Fill in the blanks: Methyl orange is a useful indicator, particularly for titrations against acids. It is in strongly acidic solutions and in basic solutions.