character: Professor John Smith
topic: Fundamentals of Chemical Separation Methods
grade: 11
subject: Chemistry
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character: Dr. Alice Johnson
topic: Introduction to Distillation Techniques
grade: 11
subject: Chemistry
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character: Mr. Kevin Brown
topic: Chromatography: Principles and Applications
grade: 11
subject: Chemistry
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character: Ms. Linda Green
topic: Extraction Methods in Chemistry
grade: 11
subject: Chemistry
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