Using a Universal Indicator to Identify Acids and Bases

Unit 7: Acids and Bases
Lesson 5 of 12

Objective: Students will be able to use a universal indicator to determine the approximate pH of various solutions, and to connect the pH to whether something is acidic or basic.

Big Idea: Acid-base indicators, such as red cabbage juice, turn different colors in acidic and basic solutions due to a pigment molecule called anthocyanin.

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