character: Veteran
topic: Combustion Reactions and Their Products
grade: 9
subject: Chemistry
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character: Chemical Reactions
topic: Types of Chemical Reactions
grade: 9
subject: Chemistry
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character: Combustion
topic: The Process of Combustion
grade: 9
subject: Chemistry
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character: Products of Combustion
topic: Environmental Impact of Combustion Products
grade: 9
subject: Chemistry
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