character: Dr. Emily Carter
topic: Titration Techniques in Water Quality Analysis
grade: 12
subject: Chemistry
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character: Ms. Sarah Thompson
topic: The Role of pH in Water Quality
grade: 12
subject: Chemistry
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character: Mr. James Anderson
topic: Methods for Analyzing Heavy Metals in Water
grade: 12
subject: Chemistry
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character: Dr. Linda Morgan
topic: Colorimetric Analysis Techniques for Water Testing
grade: 12
subject: Chemistry
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