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When salt is added to pure water , the s...

When salt is added to pure water , the suface tension

A

increases

B

decreases

C

may increase depending upon salt

D

can not be predicted

Text Solution

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The correct Answer is:
A
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Surface energy and surface tension )
  1. The work done to split a big drop into n number of identical droplets ...

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  2. A number of small drops of mercury adiabatically coalesce to form a si...

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  3. When salt is added to pure water , the suface tension

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  4. When a small quantity of partially soluable impurity is added to wa...

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  5. Soap helps in cleaning clothes, because

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  6. If a wax coated capillary tube is dipped in water, then water in it wi...

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  7. When two capillary tubes of different diameters are dipped vertically,...

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  8. The work done in blowing a soap bubble of radius 0.02 cm is ,

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  9. If work W is done in blowing a bubble of radius R from a soap solution...

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  10. The ratio of the work done in blowing the soap bubbles of radii in the...

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  11. The work done in blowing a soap bubble of radius 5 cm is

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  12. The ration of the work done in blowing the soap bubbles of diameter i...

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  13. A mercury drop of radius 1 cm is broken into 10^6 droplets of equal si...

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  14. Surface tension of a soap solution is 1.9xx10^(-2) N//m. Work done in ...

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  15. n number of water droplets, each of radius r, coalese, to form a singl...

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  16. A soap bubble of radius 1//sqrtpi "cm" is expanded to radius 2//sqrtpi...

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  17. A spherical liquid drop of radius R is divided into eight equal drople...

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  18. The surface tension of a liquid is 5 Newton per metre. If a film is he...

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  19. The radius of a soap bubble is r. the surface tension of soap solution...

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  20. A drop of liquid of diameter 2.8 mm breaks up into 125 identical drops...

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