character: Dr. Jane Smith
topic: Understanding the pH Scale in Chemistry
grade: 12
subject: Chemistry
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character: Mr. John Doe
topic: Acidity and Basicity: pH Values Explained
grade: 12
subject: Chemistry
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character: Prof. Alice Johnson
topic: The Importance of the pH Scale in Chemical Reactions
grade: 12
subject: Chemistry
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character: Ms. Emily Brown
topic: Measuring Acidity and Basicity: Practical Lab Techniques
grade: 12
subject: Chemistry
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