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What are the factors affecting the surface tension of a liquid class 11?

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What are the factors affecting the surface tension of a liquid class 11?

1 Answer

  • The presence of any contamination or impurities.
  • The presence of dissolved substances.
  • Electrification.
  • Temperature.

How surface tension of a liquid depends on temperature?

Since the surface tension depends on the intermolecular forces of molecules of liquid and When we increase the temperature then the molecules gains more energy and hence they become more active and starts moving randomly since the molecule becomes more unstable when we increase the temperature and this reduces the …

What factors affect surface tension?

Surface tension is caused by the effects of intermolecular forces at the interface. Surface tension depends on the nature of the liquid, the surrounding environment and temperature. Liquids where molecules have large attractive intermolecular force will have a large surface tension.

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What are the main factors which affect surface tension?

Hint: Surface tension is the property of liquid caused by the imbalance of molecular forces at the surface of the liquid. Factors causing the change in molecular forces also affect the surface tension. The value of surface tension depends on the nature of the liquid, surrounding environment and purity of the liquid.

Does surface tension depend on temperature?

The surface tension of liquids and the influence of surfactants on the surface tension depend on the temperature. In general, the surface tension decreases with increasing temperature.

What is surface tension and factors affecting surface tension?

Does surface tension depend on surface area?

No, surface tension doesn’t depend on the surface area. The surface tension primarily depends on the forces of attraction between the particles within the giving liquid and also on the gas, solid or liquid in contact with it.

What factor increases liquid surface?

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Impurities present in a liquid significantly influence surface tension. A highly soluble material like salt increases the surface tension whereas sparingly soluble substances like soap decrease the surface tension.

Which of the following factors affect the surface tension?

Notes: The Surface tension depends only on the nature of liquid and is independent of the area of surface or length of line considered. Surface tension of a liquid is measured by the force acting per unit length on either side of an imaginary line drawn on the free surface of liquid.

Does surface tension depend on pressure?

A linear relationship is found between surface tension and temperature, and between surface tension and pressure; the slope of surface tension change with temperature is dependent on pressure.

What are the factors affecting surface tension?

What are the factors affecting the surface tension of a liquid? -…

  • The presence of any contamination or impurities.
  • The presence of dissolved substances.
  • Electrification.
  • Temperature.
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