character: Professor Mark Robinson
topic: Applications of pH Indicators in Everyday Life
grade: 12
subject: Chemistry
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character: Dr. Elena Smith
topic: Understanding Acid-Base Reactions
grade: 12
subject: Chemistry
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character: Ms. Lily Foster
topic: The Role of pH in Soil Chemistry
grade: 12
subject: Chemistry
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character: Mr. James Chen
topic: Color Change in pH Indicators: A Practical Experiment
grade: 12
subject: Chemistry
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