Class 8 Exam > Class 8 Questions > What is combustion?a)An exothermic reactionb)...
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What is combustion?
- a)An exothermic reaction
- b)An endothermic reaction
- c)A displacement reaction
- d)A reduction reaction
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
What is combustion?a)An exothermic reactionb)An endothermic reactionc)...
Combustion is burning of a substance in the presence of oxygen. During this process heat energy is released, it is therefore an oxidation and exothermic reaction.
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What is combustion?a)An exothermic reactionb)An endothermic reactionc)...
What is Combustion?
Combustion is a chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light. It is a fundamental process in chemistry and is primarily associated with the burning of fuels.
Characteristics of Combustion
- Exothermic Reaction: Combustion is classified as an exothermic reaction because it releases energy in the form of heat and light. This is why flames are hot and emit light.
- Reactants: The primary reactants in combustion are typically a fuel (like hydrocarbons) and an oxidizer (usually oxygen from the air).
- Products: The products of complete combustion are usually carbon dioxide (CO₂) and water (H₂O). Incomplete combustion may produce carbon monoxide (CO) and other harmful substances.
Examples of Combustion
- Fossil Fuels: Burning coal, oil, or natural gas for energy is a common example of combustion.
- Biomass: Burning wood or other organic materials is another form of combustion.
Importance of Combustion
- Energy Production: Combustion is essential for generating energy, powering vehicles, and heating homes.
- Industrial Processes: Many industrial processes rely on combustion for manufacturing chemicals and materials.
Conclusion
Understanding combustion as an exothermic reaction helps us appreciate its significance in energy production and its role in various chemical processes. Recognizing its characteristics and implications is crucial for students studying chemistry and environmental science.
Combustion is a chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light. It is a fundamental process in chemistry and is primarily associated with the burning of fuels.
Characteristics of Combustion
- Exothermic Reaction: Combustion is classified as an exothermic reaction because it releases energy in the form of heat and light. This is why flames are hot and emit light.
- Reactants: The primary reactants in combustion are typically a fuel (like hydrocarbons) and an oxidizer (usually oxygen from the air).
- Products: The products of complete combustion are usually carbon dioxide (CO₂) and water (H₂O). Incomplete combustion may produce carbon monoxide (CO) and other harmful substances.
Examples of Combustion
- Fossil Fuels: Burning coal, oil, or natural gas for energy is a common example of combustion.
- Biomass: Burning wood or other organic materials is another form of combustion.
Importance of Combustion
- Energy Production: Combustion is essential for generating energy, powering vehicles, and heating homes.
- Industrial Processes: Many industrial processes rely on combustion for manufacturing chemicals and materials.
Conclusion
Understanding combustion as an exothermic reaction helps us appreciate its significance in energy production and its role in various chemical processes. Recognizing its characteristics and implications is crucial for students studying chemistry and environmental science.
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Community Answer
What is combustion?a)An exothermic reactionb)An endothermic reactionc)...
Aapid chemical combination of a substance with oxygen, involving the production of heat and light.
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What is combustion?a)An exothermic reactionb)An endothermic reactionc)A displacement reactiond)A reduction reactionCorrect answer is option 'A'. Can you explain this answer?
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What is combustion?a)An exothermic reactionb)An endothermic reactionc)A displacement reactiond)A reduction reactionCorrect answer is option 'A'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about What is combustion?a)An exothermic reactionb)An endothermic reactionc)A displacement reactiond)A reduction reactionCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is combustion?a)An exothermic reactionb)An endothermic reactionc)A displacement reactiond)A reduction reactionCorrect answer is option 'A'. Can you explain this answer?.
What is combustion?a)An exothermic reactionb)An endothermic reactionc)A displacement reactiond)A reduction reactionCorrect answer is option 'A'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about What is combustion?a)An exothermic reactionb)An endothermic reactionc)A displacement reactiond)A reduction reactionCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is combustion?a)An exothermic reactionb)An endothermic reactionc)A displacement reactiond)A reduction reactionCorrect answer is option 'A'. Can you explain this answer?.
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