Podcast
Questions and Answers
What is the term used to describe the process when a sol is converted into a gel?
What is the term used to describe the process when a sol is converted into a gel?
- Gelation (correct)
- Solation
- Coagulation
- Precipitation
Which property of colloids is responsible for the Tyndall Effect?
Which property of colloids is responsible for the Tyndall Effect?
- Absorption of light by colloidal particles
- Refraction of light by colloidal particles
- Scattering of light by colloidal particles (correct)
- Reflection of light by colloidal particles
What is the term used to describe the random movement of colloidal particles suspended in a liquid or gas?
What is the term used to describe the random movement of colloidal particles suspended in a liquid or gas?
- Electrophoresis
- Coagulation
- Osmosis
- Brownian Movement (correct)
What contributes to the stability of pure colloidal solutions?
What contributes to the stability of pure colloidal solutions?
Which term describes the process when a gel is converted into a sol?
Which term describes the process when a gel is converted into a sol?
What type of colloid is less stable and easily precipitated by neutral salts?
What type of colloid is less stable and easily precipitated by neutral salts?
Which type of colloid has particle sizes greater than 100 nm?
Which type of colloid has particle sizes greater than 100 nm?
In which type of colloid do the particles form clusters of molecules and can be seen under an electron microscope?
In which type of colloid do the particles form clusters of molecules and can be seen under an electron microscope?
Why do colloidal solutions remain dispersed throughout water in a stable manner?
Why do colloidal solutions remain dispersed throughout water in a stable manner?
What property allows colloidal particles to be pass through filter paper but not through a semipermeable membrane?
What property allows colloidal particles to be pass through filter paper but not through a semipermeable membrane?
Which type of colloid can be separated by settling down at the bottom of the container separated by a liquid layer?
Which type of colloid can be separated by settling down at the bottom of the container separated by a liquid layer?
What electrical property do colloidal particles possess?
What electrical property do colloidal particles possess?
What is the main factor responsible for the stability of colloidal solutions?
What is the main factor responsible for the stability of colloidal solutions?
Which type of colloids are characterized by being 'liquid loving'?
Which type of colloids are characterized by being 'liquid loving'?
What property makes hydrophilic colloids more stable and less easily precipitated?
What property makes hydrophilic colloids more stable and less easily precipitated?
Which classification of colloids is formed by dispersed particles surrounded only by a shell of electric charges?
Which classification of colloids is formed by dispersed particles surrounded only by a shell of electric charges?
How can hydrophilic colloids be precipitated from a solution?
How can hydrophilic colloids be precipitated from a solution?
What factor distinguishes hydrophobic colloids from hydrophilic colloids?
What factor distinguishes hydrophobic colloids from hydrophilic colloids?
