character: Ms. Johnson
topic: Separation Techniques in Chemical Engineering
grade: 11
subject: Chemistry
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character: Mr. Smith
topic: Introduction to Chemical Processes
grade: 11
subject: Chemistry
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character: Dr. Lee
topic: Purification Methods in Chemistry
grade: 11
subject: Chemistry
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character: Prof. Garcia
topic: Distillation and Filtration Techniques
grade: 11
subject: Chemistry
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