Colloids and Their Properties
Chemistry ⇒ Solutions and Colloids
Colloids and Their Properties starts at 10 and continues till grade 12.
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See sample questions for grade 10
Define the Tyndall effect.
Describe the role of protective colloids.
Explain the difference between a sol and a gel.
Explain the term 'Brownian movement' in colloids.
Explain why colloidal particles do not settle down under gravity.
Explain why colloidal solutions are stable.
Name the two phases present in a colloidal system.
State one difference between lyophilic and lyophobic colloids.
State one use of colloids in the food industry.
What is the charge on colloidal particles in a gold sol?
What is the effect of temperature on the stability of colloids?
Which property of colloids is responsible for the blue color of the sky?
Which property of colloids prevents the particles from settling down?
