character: Michael Faraday
topic: Electrochemistry and its principles
grade: 9
subject: Chemistry
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character: John Dalton
topic: Atomic Theory
grade: 9
subject: Chemistry
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character: Svante Arrhenius
topic: Theory of electrolytic dissociation
grade: 9
subject: Chemistry
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character: William Grove
topic: Grove Cell and fuel cells
grade: 9
subject: Chemistry
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