Chemical Engineering Concepts Quiz
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Questions and Answers

Which of the following best defines surface tension?

  • Force that causes liquid surfaces to shrink into the minimum surface area (correct)
  • The ability of solids to dissolve in liquids
  • The tendency of molecules to attract each other
  • Resistance of a liquid to flow

    • HLB system is related to the classification of surfactants.

    True

    What does CMC stand for in the context of micelles?

    Critical Micelle Concentration

    The definition of __________ is the ability of a substance to dissolve in a solvent.

    <p>solubility</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Polymorphism = The ability of a substance to exist in more than one form or crystal structure Diffusion = The movement of particles from an area of higher concentration to lower concentration Buffer Solution = A solution that resists changes in pH when small amounts of acid or base are added Rheology = The study of the flow and deformation of matter</p> Signup and view all the answers

    What is the definition of adsorption?

    <p>The process by which molecules adhere to a surface</p> Signup and view all the answers

    Fick's first law of diffusion relates to the flow of heat.

    <p>False</p> Signup and view all the answers

    What do you understand by the term 'partition coefficient'?

    <p>A ratio that indicates how a compound partitions between two immiscible phases</p> Signup and view all the answers

    Which of the following is NOT a type of flow in rheology?

    <p>Laminar flow</p> Signup and view all the answers

    __________ is the equation used to relate the pH of a buffer solution to the concentration of its components.

    <p>Henderson-Hasselbalch equation</p> Signup and view all the answers

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