character: Ms. Red
topic: pH Scale and Indicators
grade: 12
subject: Chemistry
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character: Dr. Green
topic: Acid-Base Reactions and pH Calculation
grade: 12
subject: Chemistry
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character: Professor Blue
topic: Importance of pH in Biological Systems
grade: 12
subject: Chemistry
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character: Ms. Yellow
topic: Applications of pH Indicators in Lab Experiments
grade: 12
subject: Chemistry
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