The reciprocal of the coefficent of viscosity is called__________?
Correct answer: C. Fluidity
- A. Density
- B. Specific gravity
- C. Fluidity
- D. Absorbance
Explanation
Fluidity measures how easily a liquid flows and is defined as the reciprocal of viscosity: fluidity = 1/viscosity. Students may choose density because it is another property of fluids, but density does not describe resistance to flow.
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About Properties of Liquids
Liquid behavior depends on intermolecular forces, which produce surface tension, viscosity, capillary action and a definite volume without a fixed shape. The topic also covers vapor pressure, evaporation, boiling point and the effect of temperature and external pressure, while distinguishing evaporation at the surface from boiling throughout the liquid.
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