character: Ms. Johnson
topic: The Chemistry of Cleaning Products
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Chemical Reactions in Household Cleaners
grade: 9
subject: Chemistry
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character: Dr. Lee
topic: Sustainable Chemistry in Cleaning Products
grade: 9
subject: Chemistry
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character: Ms. Patel
topic: pH Levels in Cleaning Solutions
grade: 9
subject: Chemistry
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