character: Dr. Alex Chen
topic: Measuring pH: Methods and Applications in Laboratory Settings
grade: 12
subject: Chemistry
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character: Ms. Sarah Johnson
topic: Understanding Acid-Base Reactions in Chemistry
grade: 12
subject: Chemistry
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character: Mr. David Lee
topic: Experimental Techniques for Determining pH Levels
grade: 12
subject: Chemistry
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character: Prof. Emily Nguyen
topic: Applications of pH Measurement in Environmental Science
grade: 12
subject: Chemistry
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