Question

The layer of liquid with thickness equal to the range of intermolecular forces is called ________.

a) Cohesive force b) Sphere of influence

c) Surface film d) Free surface​

Answer 1

Answer:

c surface film

Explanation:

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Answer 2

(c) The layer of liquid with thickness equal to the range of intermolecular forces is called surface film.

Explanation:

• A surface film acts as the surface is a stretched elastic membrane.
• By the attraction of water molecules, surface film tension is caused.
• The temperature and dissolved substance affects the amount of surface film.
• The light is reflected by the surface film.
• For example, the surface film tension of oil will be less than that of cold water, so oil does not spread on the cold water but it will spread on the hot water as the surface film of oil is higher than hot water.