character: Mr. Tom Johnson
topic: Applications of Separation Techniques in Real Life
grade: 11
subject: Chemistry
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character: Dr. Emily Carter
topic: Filtration Techniques in Water Purification
grade: 11
subject: Chemistry
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character: Mrs. Lisa Nguyen
topic: Chromatography in Pharmaceuticals
grade: 11
subject: Chemistry
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character: Mr. James Lee
topic: Distillation Processes in Alcohol Production
grade: 11
subject: Chemistry
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