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When NaCl is dissolved into water, then ...

When NaCl is dissolved into water, then its surface tension

A

decreases

B

no change

C

increases

D

first increases then decreases

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
  1. The pressure just below the meniscus of water.......

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

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  3. When NaCl is dissolved into water, then its surface tension

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  4. Water rises to capillary tube to a height of 4 cm. If radius of the tu...

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  5. A soap bubble has radius 2 cm. The work done to double the radius is (...

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  6. The surface tension of water at 0^@C is 72 dyne/cm, surface tension of...

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  7. The angle of contact between glass and mercury is

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  8. As the length of the capillary tube is insufficient the rise of liquid...

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  9. The correct relation is

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  10. Surface tension of soap solution is 2 xx 10^-2 N//m. The work done in ...

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  11. The angle of contact between glass and mercury is

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  12. Angle of contact varies between

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  13. Meniscus of Hg in capillary is

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  14. If the surface tension of liquid is T, the work required to increase, ...

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  15. The surface tension of water in C.G.S. units is 30 dyne/cm. Its S.I. u...

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  16. The height of water in a capillary tube of radius 2 cm is 4cm. What sh...

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  17. For tap water and clean glass, the angle of contact is

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  18. When there are no external forces, the shape of a liquid drop is deter...

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

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  20. The spherical shape of rain-drop is due to.........

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