Class 8 Exam > Class 8 Videos > Science Class 8 > Quick Revision: Combustion and Flame
Quick Revision: Combustion and Flame Video Lecture | Science Class 8
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90 videos|278 docs|44 tests
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FAQs on Quick Revision: Combustion and Flame Video Lecture - Science Class 8
| 1. What is combustion? |  |
Ans. Combustion is a chemical reaction between a fuel and oxygen that produces heat and light.
| 2. What are the three requirements for combustion to occur? | |
Ans. The three requirements for combustion are fuel, oxygen, and heat.
| 3. How does a flame form during combustion? | |
Ans. A flame is formed when the fuel vaporizes, mixes with oxygen, and burns to produce heat and light.
| 4. What is the difference between complete combustion and incomplete combustion? | |
Ans. Complete combustion produces only carbon dioxide and water, while incomplete combustion produces carbon monoxide, carbon dioxide, and water.
| 5. How can we control the rate of combustion in a fire? | |
Ans. The rate of combustion in a fire can be controlled by regulating the supply of oxygen or fuel.
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Jan 12, 2025
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Video Description: Quick Revision: Combustion and Flame for Class 8 2025 is part of Science Class 8 preparation.
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Video Lecture & Questions for Quick Revision: Combustion and Flame Video Lecture | Science Class 8 - Class 8 full syllabus preparation | Free video for Class 8 exam to prepare for Science Class 8.
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90 videos|278 docs|44 tests
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