Pharmaceutical Process Engineering: Crystallization
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Questions and Answers

Which method of inducing super saturation is suitable for substances whose solubility increases with temperature?

  • Adiabatic evaporation
  • Nucleation
  • Cooling (correct)
  • Solvent evaporation
  • What is the process by which molecules or atoms arrange themselves into definite patterns called crystals?

  • Nucleation
  • Crystallization (correct)
  • Cooling
  • Induction of super saturation
  • What is the main purpose of crystallization?

  • Enhancement of filtration and washing
  • Decrease of caking
  • Improvement of appearance
  • Purification (correct)
  • Which step is involved in crystallization from a solution where low pressure is maintained in a chamber containing the solution which will begin to evaporate to balance lost pressure?

    <p>Adiabatic evaporation</p> Signup and view all the answers

    Which substance is suitable for solvent evaporation as a method of inducing super saturation?

    <p>$NaCl$</p> Signup and view all the answers

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