character: Ms. Lee
topic: How to Measure pH Levels
grade: 12
subject: Chemistry
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character: Mr. Smith
topic: Understanding Acid-Base Reactions
grade: 12
subject: Chemistry
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character: Dr. Patel
topic: Using pH Indicators in the Lab
grade: 12
subject: Chemistry
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character: Mrs. Johnson
topic: Electrochemical Methods for pH Measurement
grade: 12
subject: Chemistry
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