
Colloidal dispersion
Quiz
•
Science
•
University - Professional Development
•
Practice Problem
•
Hard
Ali Rizvi
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the particle size is less than 1 nm then it is called as
Molecular dispersion
Colloidal dispersion
Suspension
Emulsion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The movement of colloidal particles through a liquid under the influence of an electric field is called
Electrophoresis
Electro-osmosis
Electro chemical reaction
Electrodialysis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The potential difference that develops when particles settle under the influence of an electric field is called
Streaming potential
Oxidation potential
Reduction potential
Sedimentation potential
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When distance between the particles are large, the particles experience attractive force and aggregates are formed. This is known as
Primary minimum
Potential barrier
Secondary minimum
Interparticle distance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to schulze-Hardy rule, the precipitating power increases rapidly with the
Presence of valence charge of the ions
Lowering the interfacial tension
Decreasing the freezing point
Elevation of boiling point
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the beam of light is passed through a colloidal solution, the path of light gets illuminated. This phenomenon is known as
Tyndall effect
Brownian movement
Diffusion
Donnan effect
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The continuous collisions between the colloidal particles and molecules of dispersion medium produce zigzag movement of colloidal particle which is known as
Tyndall effect
Diffusion
Brownian movement
Sedimentation
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