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Why does soap or detergent clean the clo...

Why does soap or detergent clean the cloths better?

A

chemicals of soap change

B

it increases surface tensionof the solution

C

iy absorbs dirt

D

it lowers the surface tension of the solution.

Text Solution

Verified by Experts

The correct Answer is:
D
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BINA LIBRARY-PROPERTIES OF FLUIDS-EXERCISE
  1. The capillary tubes of radii of 0.2 cm and 0.4 cm are dipped in the sa...

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  2. Small liquid drops assume sherical shape because

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  3. Why does soap or detergent clean the cloths better?

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  4. Ball pen functions on the principle of

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  5. The value of surface tension depends upon

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  6. Surface tension is due to

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

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  8. When two water drops merge to form a large drop

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

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  10. A number of small drop of mercury coalesce adiabatically to form a sin...

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  11. Excess pressure inside a bubble is

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  12. Due to capillary action a liquid will rise in a tube if the angle of c...

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  13. When the temperature is increased the angle ofs contact of a liquid

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  14. The clouds float in the atmosphere because of

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  15. With increase in temperature viscosity of liquid and gases

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  16. Bernoulli's theorem is applicable for processes which are

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  17. Viscous force on small sphere of radius R moving in fluid varies as

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  18. The dimension of co - efficient of viscocity is

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  19. Two equal drops of water are falling through air with a steady velocit...

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  20. A ball of mass m and radius r is released in a viscous fluid. The valu...

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