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Water does not wet an oily glass because...

Water does not wet an oily glass because

A

cohesive force of oil `gt ` adhesive force between oil and glass

B

cohesive force of oil `lt` cohesive force of water

C

oil repels water

D

cohesive force of water `gt` adhesive force between water and oil molecules

Text Solution

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The correct Answer is:
D
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Question Given in MHT-CET )
  1. Water does not wet an oily glass because

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  2. The surface tension of a liquid is 10^(8) dyne cm^(-1). It is equivale...

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  3. A capillary tube when immersed vertically in a liquid records a rise o...

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  4. The rain are in spherical shape due to

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  5. Water can rise upto a height of 12 cm in a capillary tube . If the tub...

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  6. When a liquid rises inside a capillary tube , the weight of the liquid...

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  7. The height of water in a capillary tube os radius 2 cm is 4 cm . What ...

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  8. Two spherical soap bubbles of radii r1 and r2 in vacuume coalesce unde...

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  9. Amount of energy required to blow a bubble radius 5 cm , is

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  10. The dimensions of surface tension are

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  11. Two soap bubbles have radii in the ratio of 4:3 . What is the ratio o...

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  12. If the surface of a liquid is plane, then the angle of contact of the ...

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  13. Work done is blowing a soap bubble of diameter 2 cm , is

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  14. The surface of water in contact with glass wall is

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  15. Work done in forming a liquid drop of radius R is W(1) and that of rad...

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  16. For liquid to rise in a capillary tube , the angle of contact should b...

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  17. Out of the following , which is not an example of capillary action

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  18. If a liquid does not wet glass, its angle of contact is

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  19. The surface tension of soap solution is 0.035 N/m . The energy needed...

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  20. A square frame of length L is immersed in soap solution and taken ou...

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  21. The potential energy of molecule on the surface of a liquid as compare...

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