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Why does food get cooked more quickly in...

Why does food get cooked more quickly in a pressure cooker?

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nside the pressure cooker the pressure is very high and hence the boiling point of water is raised so the substance inside it across a temperature above 100°C and gets cooked quickly.
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BINA LIBRARY-THERMAL PROPERTIES OF MATTER -EXERCISE
  1. Explain why at high altitude,water boils below 100?

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  2. Explain why food does not cook speedily at high altitudes.

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  3. Why does food get cooked more quickly in a pressure cooker?

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  4. Why white cloths are preferred in summer ?

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  5. Why is the bottom of a tea kettel blackended while its upper part is s...

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  6. Explain why a piece of iron appears to be cooler than a piece of wood ...

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  7. Explain why two layer of cloths of equal thickness provide warmer cove...

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  8. Cloudy nights are warmer than clear nights-why?

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  9. At what common temperature would a block of wood and a block of metal ...

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  10. Explain why a piece of paper warpped tightly on a wooden rod is found ...

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  11. Two thermometers are constructed in the same way except that one has a...

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  12. A metallic solid sphere and a hollow sphere of same material and exter...

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  13. A sphere ,a cubeand a thin circular plate,all made of the same meterie...

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  14. Heat is generated continuosly in an electric heater ,but its temperatu...

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  15. A zinc rod is measured by means of a brass scale (Which is correct at...

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  16. A hot ball of iron weighing 200 g is dropped into 500 g water at 10°C ...

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  17. The densities of two substance are 2:3 and their specific heats are 0....

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  18. Calculate the minimum amount of water at 15°C needed to cool 200g of ...

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  19. A piece of metal weighing 50 g is heated to a temperature of 1000°C a...

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  20. How much steam at 100°C will just melt 3200g of ice at -10°C ?

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