character: Mr. Green
topic: Acid-Base Reactions
grade: 12
subject: Chemistry
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character: Dr. Blue
topic: Neutralization Reactions
grade: 12
subject: Chemistry
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character: Ms. Red
topic: pH Scale and Indicators
grade: 12
subject: Chemistry
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character: Mr. White
topic: Properties of Acids and Bases
grade: 12
subject: Chemistry
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