character: Mrs. Walker
topic: Chemical Reactions Involving Iron
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Oxidation and Reduction in Iron Chemistry
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: Types of Chemical Reactions with Iron
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: Applications of Iron Reactions in Industry
grade: 9
subject: Chemistry
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