character: Professor Johnson
topic: Understanding Optical Phenomena in Chemistry
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: Applications of Light in Chemical Reactions
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Chromatography: Understanding Color Separation in Chemistry
grade: 9
subject: Chemistry
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character: Mr. Patel
topic: Spectroscopy: Analyzing Matter through Light
grade: 9
subject: Chemistry
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