Podcast
Questions and Answers
Which factor does NOT influence the crystal habit of a substance during crystallization?
Which factor does NOT influence the crystal habit of a substance during crystallization?
- Pressure applied (correct)
- Presence of impurities
- Solvent used
- Temperature
Which physical property of crystals can significantly affect the production of dosage forms?
Which physical property of crystals can significantly affect the production of dosage forms?
- Crystal sound
- Crystal shape (correct)
- Crystal color
- Crystal taste
What term is used to describe a unit cell with a single atom in the centre?
What term is used to describe a unit cell with a single atom in the centre?
- End-centred
- Central-centred
- Face-centred
- Body-centred (correct)
Under what conditions does Ibuprofen typically produce crystals with better flow properties?
Under what conditions does Ibuprofen typically produce crystals with better flow properties?
Which crystal habit shape is described as needle-like?
Which crystal habit shape is described as needle-like?
What term is used to describe crystals with a single atom at the center of the top or bottom faces?
What term is used to describe crystals with a single atom at the center of the top or bottom faces?
What defines a unit cell in a crystal lattice?
What defines a unit cell in a crystal lattice?
In a centered unit cell, where are constituent particles present?
In a centered unit cell, where are constituent particles present?
What type of unit cell do crystals have when their constituent particles are only at the corner positions?
What type of unit cell do crystals have when their constituent particles are only at the corner positions?
How are crystals of a given substance bound together?
How are crystals of a given substance bound together?
What type of unit cell structure do drug molecules typically form?
What type of unit cell structure do drug molecules typically form?
What influences the crystal habits of a substance?
What influences the crystal habits of a substance?
Which process is mostly used to achieve supersaturation of solute in a solution during crystallization?
Which process is mostly used to achieve supersaturation of solute in a solution during crystallization?
What is the difference between an amorphous solid and a crystalline solid?
What is the difference between an amorphous solid and a crystalline solid?
What is the primary factor influencing the formation of crystalline solids when most liquids are cooled?
What is the primary factor influencing the formation of crystalline solids when most liquids are cooled?
What are the constituents that make up a crystal or crystalline solid?
What are the constituents that make up a crystal or crystalline solid?
How is crystal growth achieved during the crystallization process?
How is crystal growth achieved during the crystallization process?
What term describes the collection of lattice points that form the three-dimensional arrangement in a crystal lattice?
What term describes the collection of lattice points that form the three-dimensional arrangement in a crystal lattice?