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How the small insects can walk on water ...

How the small insects can walk on water without sinking?

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Due to surface tension propety of liquid, the surface of the liquid behaves like a sheet of rubber stretched on the top of a beaker.
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CHHAYA PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-EXERCISE (SHORT TYPE QUESTIONS)
  1. Which increases with rise in temperature. (ii) c(rms)//overline(c) (...

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  2. The quantity of air necessary to inflate the tyre of motor car in the ...

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  3. We know, c(rms)=sqrt((3P)/(d)), so the value of c(rms) increases with ...

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  4. Write the kinetic gas equation and explain the various terms involved ...

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  5. Establish Boyle's law with the help of kinetic theory of gases.

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  6. State Graham's law of diffusion and deduce the relationship between th...

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  7. Deduce Avogadro's hypothesis from kinetic gas equation.

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  8. If the pressure is very high, will the value of PV for 1 mole of a rea...

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  9. What does the PV vs P curve of a real gas look like above its Boyle te...

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  10. Write the units of van der waals constants 'a' and 'b',- what are the ...

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  11. Using van der waals equation, explain why real gases behave like an id...

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  12. Why do liquids diffuse very slowly in comparison to gases?

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  13. Why is temperature of a liquid decreased during evaporation?

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  14. Rate of evaporation of a liquid increases with rise in temperature-exp...

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  15. how can a pressure cooker cook faster?

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  16. Boiling of liquid decreaseds with lowering of external pressure-why?

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  17. How the small insects can walk on water without sinking?

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  18. Why the surface of water in a glass capillary tube is concave whereas ...

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  19. Why water has a very high surface tension value among the commonly kno...

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  20. Give molecular interpretation of the surface tension of liquid.

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