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Why juice bottles are placed under water...

Why juice bottles are placed under water in the cold countries ?

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SL ARORA-Thermal Properties of Matter-Exercise
  1. Why water is preferred to any other liquid in the hot water bottles?

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  2. The coolant in the nuclear reactor is

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  3. Why juice bottles are placed under water in the cold countries ?

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  4. Why is water used as an effective coolant in automobile radiators ?

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  5. What kind of thermal condcutivity , specifie heat and coefficient of e...

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  6. Why do the metal utensils have wooden handles?

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  7. The bird that hibernates in winter is

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  8. Why are two thin blankets are warmer than a single blanket of double t...

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  9. Why are calorimeter made of metal, why not of glass?

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  10. When we step barefoot into an office with a marble floor, we feel cold...

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  11. We can easily boil water in a paper cup. Why?

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  12. A piece of paper wrapped tightly on a wooden rod is found to get charg...

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  13. Woolen cloths are worn in winter but not in summer. Why?

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  14. Stainless steel cooking pans are perferred with extra copper bottoms. ...

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  15. If a drop of water falls on a very hot iron, it does not evaporates fo...

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  16. Explain why a brass tumbler feels much colder than a wooden tray on a ...

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  17. Usually a good conductor of heat is a good conductor of electricity al...

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  18. Why do electrons in insulators not contribute to its conductivity?

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  19. As air is a bad conductor of heat, whu do we not feel warm without clo...

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  20. Room are provided with the ventilators near the roof. Why?

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