character: Mr. Brown
topic: Catalysts in Industrial Chemistry
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: Role of Catalysts in Chemical Reactions
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Types of Catalysts Used in Industry
grade: 11
subject: Chemistry
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character: Prof. Lee
topic: Industrial Applications of Catalysis
grade: 11
subject: Chemistry
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