character: Dr. Smith
topic: Acids and Bases in Household Products
grade: 9
subject: Chemistry
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character: Mrs. Johnson
topic: Neutralization Reactions and Cleaners
grade: 9
subject: Chemistry
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character: Mr. Adams
topic: pH Levels of Common Substances
grade: 9
subject: Chemistry
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character: Prof. Lee
topic: Indicators and Testing for Acidity
grade: 9
subject: Chemistry
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