character: Dr. Lee
topic: Acids, Bases, and pH Levels
grade: 9
subject: Chemistry
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character: Ms. Smith
topic: The Properties of Acids and Bases
grade: 9
subject: Chemistry
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character: Professor Adams
topic: Understanding pH Scale and Its Importance
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Neutralization Reactions and pH Changes
grade: 9
subject: Chemistry
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