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Why surface tension decreases with incre...

Why surface tension decreases with increase in temperature ?

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Surface tension decreases with increase in temperature because it increases the kinetic energy of the molecules. It also decreases the intermolecular attraction between the molecules.
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OMEGA PUBLICATION-STATES OF MATTER -Multiple Choice Questions (MCQs)
  1. Why surface tension decreases with increase in temperature ?

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  2. Gas equation PV = nRT is obeyed by

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  3. The root mean square velocity of an ideal gas at constant pressure var...

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  4. A gas will approach ideal behaviour at

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  5. (True/False) The compressibility factor (z) for ideal gases is 1,.

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  6. van der Waal equation is true for :

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  7. The van der Waal's equation of state reduces itself to the ideal gas e...

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  8. When the temperature is raised, the viscosity of the liquid decreases....

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  9. The relationship between coefficient of viscosity of a liquid and temp...

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  10. Which of the following statement(s) is/are correct, if intermolecular ...

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  11. The internal energy of one mole of ideal gas is

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  12. An ideal gas obeying kinetic theory of gases can be liquefied if

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  13. The number of moles of a substance are given by

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  14. According to Boyle's law

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  15. The relation, volume of gas (V) prop no. of moles (n), is

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  16. Which one is correct?

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  17. The unit of R does not depend on

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  18. Dalton's law of partial pressure is related-with

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  19. The spherical shape of liquid drops is due to

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  20. According to Charle's law (here K is constant of proportionality)

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  21. When the universal gas constant (R ) is divided by Avogadro's number (...

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