Podcast
Questions and Answers
What is the role of fluids in living systems according to the text?
What is the role of fluids in living systems according to the text?
- To increase solubility of solute
- To create heterogeneous mixtures
- To serve as a complex mixture of colloids, ions, and molecules (correct)
- To form homogeneous mixtures
In a binary solution, what defines a heterogeneous mixture?
In a binary solution, what defines a heterogeneous mixture?
- Samples are not uniform in composition (correct)
- Solvent cannot dissolve any more solute
- Samples are identical throughout
- Solvent dissolves any solute at a given temperature
What factors can affect the solubility of a substance?
What factors can affect the solubility of a substance?
- Temperature and intermolecular forces (correct)
- Type of bond between particles and pressure
- Pressure and unsaturated solutions
- Temperature and heterogeneous mixtures
How is an unsaturated solution defined?
How is an unsaturated solution defined?
Which component of a solution is responsible for dissolving the solute?
Which component of a solution is responsible for dissolving the solute?
What defines a saturated solution?
What defines a saturated solution?
Which type of colloid is known for being difficult to coagulate?
Which type of colloid is known for being difficult to coagulate?
What is the meaning of the term 'lyophilic'?
What is the meaning of the term 'lyophilic'?
Which term best describes colloids like silver and gold solutions?
Which term best describes colloids like silver and gold solutions?
What characteristic makes lyophobic colloids unstable?
What characteristic makes lyophobic colloids unstable?
In which type of industrial products are colloids commonly used as thickening agents?
In which type of industrial products are colloids commonly used as thickening agents?
Why do lyophobic colloids require special methods for preparation?
Why do lyophobic colloids require special methods for preparation?
What is the main characteristic of a suspension?
What is the main characteristic of a suspension?
How can a suspension be separated?
How can a suspension be separated?
Why does a suspension scatter a beam of light passing through it?
Why does a suspension scatter a beam of light passing through it?
What size range do particles in a suspension typically fall into?
What size range do particles in a suspension typically fall into?
Which statement best describes the stability of a suspension?
Which statement best describes the stability of a suspension?
What can be observed when looking at a suspension under a microscope?
What can be observed when looking at a suspension under a microscope?
What is the main characteristic of a supersaturated solution?
What is the main characteristic of a supersaturated solution?
In a colloidal solution, what is the dispersed phase?
In a colloidal solution, what is the dispersed phase?
What size range do colloidal particles typically fall into?
What size range do colloidal particles typically fall into?
Why do colloidal particles not settle down due to gravity?
Why do colloidal particles not settle down due to gravity?
How can colloids be separated based on their properties?
How can colloids be separated based on their properties?
What is the phenomenon called when a strong light beam is focused on a colloidal solution?
What is the phenomenon called when a strong light beam is focused on a colloidal solution?
