Size of colloidal particles
Correct answer: C. In b/w true solution & suspension
- A. greater than true solution
- B. greater than suspension
- C. In b/w true solution & suspension
- D. None of These
Explanation
Colloidal particles have sizes intermediate between those of true-solution particles and suspension particles, typically about 1 nm to 1000 nm. They are large enough to scatter light but small enough to remain dispersed for a long time. Option a is the likely mistake because colloidal particles are larger than true-solution particles, but they are not larger than suspension particles.
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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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