character: Dr. Brown
topic: Chemical Reactions and pH Levels
grade: 11
subject: Chemistry
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character: Ms. Green
topic: Understanding Acids and Bases
grade: 11
subject: Chemistry
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character: Mr. White
topic: The Role of Catalysts in Chemical Reactions
grade: 11
subject: Chemistry
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character: Dr. Black
topic: Measuring pH Levels in Solutions
grade: 11
subject: Chemistry
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