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Why mercuty is used in a barometer. Thou...

Why mercuty is used in a barometer. Though it is costly? Why cannot we use water in place of mercuty.

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In water barometer, very long column (hdg) will be needed because density of water is very low in comparison to mercury.
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MODERN PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-Conceptual Questions (1)
  1. How is the pressure of a gas related to its density at a particular te...

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  2. Why mercuty is used in a barometer. Though it is costly? Why cannot w...

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  3. Why is it not possible to cool a gas to a temperature of absolute (0 ...

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  4. What is molar volume of an ideal gas under N.T.P. conditions ?

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  5. Arrange solid, liquid and gas in order of increasing energy?

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  6. What is the ratio of average molecular kinetic energy of CO(2) to that...

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  7. Why dry air is heavier than moist air?

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  8. At what temperature will oxygen molecules have the same K.E. as ozone ...

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  9. How is the mole fraction of a gaseous component related to its partial...

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  10. What type of graph would you get when PV is plotted against P at const...

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  11. Why vegetables are cooked with difficulty at a hill station?

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  12. What would be the SI unit for the quantity pV^(2)T^(2)//n?

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  13. A manometer is connected to a gas containing bulb. The level of mercur...

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  14. Name the energy which arises due to motion of atoms of molecules in a ...

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  15. At what temperature will both the Celsius and Fahrenheit scales read t...

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  16. Calculate the height of a column of water equivalent to 1 atmosphere. ...

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  17. Is Dalton's law of partial pressures valid for a mixture of SO(2) and ...

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