Colloids and Their Properties
Chemistry ⇒ Solutions and Colloids
Colloids and Their Properties starts at 10 and continues till grade 12.
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Describe the role of emulsifying agents in the stability of emulsions.
Describe the Tyndall effect and give one example where it can be observed.
Explain the difference between lyophilic and lyophobic colloids.
Explain the term 'coagulation' of colloids and mention one method by which it can be brought about.
Explain the term 'protective colloid' and give an example.
Explain why colloidal solutions are stable to gravity but suspensions are not.
What is the charge on the colloidal particles in a gold sol prepared by the reduction method?
What is the typical size range (in nanometers) of colloidal particles?
