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The lubricating action of an oil is more...

The lubricating action of an oil is more if it possess:

A

High vapour pressure

B

Low vapour pressure

C

High surface tension

D

High density

Text Solution

Verified by Experts

The correct Answer is:
B
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MODERN PUBLICATION-SOLUTIONS-EXERCISE
  1. The most suitable method for the detemination of molecular weight of o...

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  2. Which salt may show the same value of van't Hoff factor (i) as that of...

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  3. The lubricating action of an oil is more if it possess:

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  4. Which solution will show the maximum vapour pressure at 300 K ?

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  5. The van't Hoff factor (i) for a dilute aqueous solution of glucose is:

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  6. Which pair shows a contractions in volume on mixing ?

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  7. If P0 and Pdelta are the vapour pressure of solvent and solution respe...

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  8. Which characterises the weak intermolecular forces of attraction in a ...

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  9. The phenomenon in which cells are swelled up and then burst if placed ...

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  10. The phenomenon in which cells are swelled up and then burst if placed ...

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  11. Equimolal solutions will have the same elevation in boiling point, pro...

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  12. The depression in f.pt. is directly proportional to:

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  13. Pick out the combination which show positive deviations from Raoult.s ...

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  14. If mole fraction of the solvent in a solution decreases then:

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  15. In which of the following the van.t Hoff Factor (i) is equal to one ?

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  16. A maxima or minima obtained in the temperature, composition curve of a...

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  17. When the vapour pressure of solutions of two liquids are less than tho...

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  18. The natural semipermiable membrane is:

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  19. The osmotic pressure of a solution increases if,

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  20. Just after slow crystallisation the solution in contact with the cryst...

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