character: Mr. Patel
topic: The Role of Acetic Acid in Pickling
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Chemical Properties of Vinegar
grade: 11
subject: Chemistry
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character: Dr. Smith
topic: The Science behind Food Preservation
grade: 11
subject: Chemistry
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character: Mr. Lee
topic: Acid-Base Reactions in Cooking
grade: 11
subject: Chemistry
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