character: Mr. Lee
topic: Types of Catalysts
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Catalysis and its Importance in Chemistry
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Enzymes as Biological Catalysts
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Comparing Homogeneous and Heterogeneous Catalysts
grade: 9
subject: Chemistry
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