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Questions and Answers
What is combustion?
What is combustion?
- A reaction that produces water and carbon dioxide
- A high-temperature exothermic redox chemical reaction between a fuel and an oxidant (correct)
- A reaction that only occurs in the absence of oxygen
- A low-temperature endothermic reaction between a fuel and an oxidant
What is a flame in the context of combustion?
What is a flame in the context of combustion?
- A product of the oxidant
- A characteristic indicator of the reaction (correct)
- A visible sign of the absence of oxygen
- A result of incomplete combustion
What is the role of activation energy in combustion?
What is the role of activation energy in combustion?
- It is not required for combustion to occur
- It must be supplied to initiate combustion (correct)
- It is produced during the combustion process
- It reduces the temperature of combustion
What happens to solid fuels like wood and coal during combustion?
What happens to solid fuels like wood and coal during combustion?
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What is the source of the heat required for combustion to be self-sustaining?
What is the source of the heat required for combustion to be self-sustaining?
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