character: Dr. Jane Goodall
topic: Analysis of Purity in Chemical Compounds
grade: 12
subject: Chemistry
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character: Prof. Albert Einstein
topic: Principles of Chemical Analysis
grade: 12
subject: Chemistry
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character: Marie Curie
topic: Radiochemistry and Purity Testing
grade: 12
subject: Chemistry
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character: Linus Pauling
topic: Chemical Bonding and Purity Assessment
grade: 12
subject: Chemistry
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