Which of the following is the most Viscous?
Correct answer: C. Honey
- A. Glycerine
- B. Water
- C. Honey
- D. Spirit
Explanation
Honey is generally the most viscous of these liquids because its concentrated sugars create strong intermolecular attractions and greatly resist flow. Water and spirit have much lower viscosities, while glycerine is viscous but usually flows more readily than honey; the likely mistake is glycerine because it is also a thick liquid.
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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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