character: Mr. Smith
topic: Chemistry of Baking Soda and Vinegar
grade: 9
subject: Chemistry
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character: Teacher Jane
topic: Acid-Base Reactions
grade: 9
subject: Chemistry
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character: Professor Green
topic: Chemical Reactions in Everyday Life
grade: 9
subject: Chemistry
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character: Dr. Harris
topic: The Science Behind Carbon Dioxide Production
grade: 9
subject: Chemistry
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