Crystallization Principles MCQs : This section focuses on the "Crystallization Principles". These Multiple Choice Questions (MCQs) should be practiced to improve the Crystallization Principles skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
How does concentration affect crystallization?
A. Increase in concentration leads to large crystals
B. Decrease in concentration leads to large crystals
C. Increase in concentration leads to small crystals
D. Decrease in concentration leads to small crystals
How does temperature affect nucleation?
A. When temperature increases the nucleation decreases
B. When temperature increases the nucleation increases
C. Nucleation is not dependent on Temperature
D. When temperature increases the nucleation increases and then decreases
Is crystallization a chemical change?
What are crystallization techniques?
A. Gradual cooling and diffusion
B. Diffusion and sharp cooling
C. Gradual cooling and sharp cooling
D. Sharp cooling and crystallization
What are factors affecting crystallization?
A. Degree of agglomeration
B. Crystal shape
C. Particle size distribution
D. Particle size distribution, crystal shape, degree of agglomeration
What is meant by crystallization?
A. Concentration of atoms into a highly structured form
B. Solidification of atoms into a highly structured form
C. Solidification of solution
D. Concentration of solution
What is purpose of recrystallization?
A. To purify chemicals
B. To dissolve crystals
C. Continuous process of crystallization
D. To clean crystallizers
When is supersaturation attained?
A. When the solvent contains more solute
B. When the solute contains more solvent
C. When the solvent contains less solute
D. When the solute contains less solvent
Which of the following is crystallization?
A. Solid-solid separation
B. Solid-liquid separation
C. solid-gas separation
D. Liquid- gas separation
Why is a supersaturated solution unstable?
A. Concentration is higher than equilibrium concentration
B. Concentration is lower than equilibrium concentration
C. Concentration is equal to equilibrium concentration
D. Contains impurities