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Droplets of a liquid are usually more sp...

Droplets of a liquid are usually more spherical in shape than larger drops of the same liquid because the force of

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Statement I: Droplets of liquid are usually more spherical in shape than large drops of the same liquid. Statement II: Force of surface tension predominates force of gravity in case of small drops.

A drop of liquid takes nearly a spherical shape because .

Why is a liquid drop spherical in shape ?

Generally liquid drops assume spherical shape because

Water is not used as a barometeric liquid because :

Mercury is a liquid metal because

A drop of liquid unde no external force, is always spherical in shape. Why?

Statement I: Small liquid drops assume sphereical shape. Statement II: Due to surface tension liquid drops tend to have minimum surface area.

Liquids can be far more easily compressed than a solid.

If n drops of a liquid, form a single drop, then

ICSE-PROPERTIES OF MATTER-MODULE 2(SURFACE TENSIONS)SHORT ANWER QUESTIONS
  1. A steel blade placed gently on the surface of water floats on it. If t...

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  2. Why the surface of a liquid act like a stretched membrane?

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  3. Droplets of a liquid are usually more spherical in shape than larger d...

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  4. Distinguish between cohesive and adhesive forces.

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  5. Explain the terms (i) molecular range (ii) sphere of influence.

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  6. Define surface tension and surface energy. How are they related?

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  7. Which of the following statements is not true about angle of contact ?

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  8. What are water proofing agents?

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  9. "The shape of water meniscus is concave, whereas the shape of mercury ...

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  10. Why there is an excess pressure on the concave side of a liquid surfac...

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  11. Draw labelled diagram to show contact between (i) water and glass (ii)...

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  12. "Oil rises in lamp wick". Why?

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  13. "Water stick to the walls of a glass tube, but mercury does not." Why?

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  14. If the capillary tube is dipped in water is of insufficient length (l...

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  15. If a capillary tube in dipped in a state of weightlessness how will th...

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  16. "Tenis are coated with a thin layer of aluminium hydroxide." Why?

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  17. Is it possible for water to have an angle of contact as high as 160^(@...

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  18. What are surfactants?

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  19. "Camphor particles do not dance about in water contaminated with oil."...

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  20. "On cold water oil spreads, but on hot water it remains in the form of...

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