character: Professor Reacto
topic: Examples of Synthesis Reactions
grade: 9
subject: Chemistry
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character: Professor Reacto
topic: Combining Elements into Compounds
grade: 9
subject: Chemistry
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character: Professor Reacto
topic: Single and Double Replacement Reactions
grade: 9
subject: Chemistry
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character: Professor Reacto
topic: The Law of Conservation of Mass
grade: 9
subject: Chemistry
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