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How does water poured on a burning log o...

How does water poured on a burning log of wood help extinguish the fire?

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### Step-by-Step Solution: 1. **Understanding Fire**: Fire requires three essential components to sustain itself: fuel (in this case, the burning log of wood), heat (the temperature at which the wood ignites), and oxygen (from the air). This is often referred to as the "fire triangle." 2. **Role of Water**: When water is poured onto a burning log of wood, it serves two primary purposes: cooling and suffocating the fire. 3. **Cooling Effect**: Water has a high specific heat capacity, meaning it can absorb a significant amount of heat. When water is poured on the burning wood, it absorbs heat from the wood and the flames. This process lowers the temperature of the wood. ...
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PEARSON IIT JEE FOUNDATION-COMBUSTION AND FLAME -CLASSROOM CORNER Short Answer Type Questions
  1. Which fuel does not burn with a flame? Comment.

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  2. Does magnesium burn with a flame? Explain in your own words.

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  3. Explain why how flame is formed.

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  4. Define incomplete and complete combustion.

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  5. Why is magnesium so flammable? Justify your answer.

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  6. What colour flame is the coolest in a candle?

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  7. How does water poured on a burning log of wood help extinguish the fir...

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  8. Why LPG is stored in liquid form?

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  9. Why are gas bottles formed in the shape of a cylinder?

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  10. Why is liquid stored in cylinders rather than boxes like other cargo?

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  11. Discuss what happens when LPG leaks.

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  12. Why is blue fire considered the hottest?

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  13. What is the coldest fire color in a candle flame?

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  14. Discuss at what temperature does clothes catch on fire.

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  15. Explain why does a matchstick not burn on its own.

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  16. What are the conditions necessary for combustion to take place ?

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  17. How will you show that air is necessary for combustion ?

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  18. Explain why heat is produced by the sun.

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  19. Why are the flames of candles and oil lamps usually used for lighting ...

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  20. Explain why you are asked to stay close to the ground while escaping a...

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