Distinction Between True Solutions, Colloids and Suspensions
Chemistry ⇒ Solutions and Colloids
Distinction Between True Solutions, Colloids and Suspensions starts at 9 and continues till grade 12.
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A mixture of water and flour is left undisturbed. After some time, the flour settles at the bottom. What type of mixture is this?
A student mixes sand in water and observes that the sand settles down after some time. What type of mixture is this?
Arrange the following in increasing order of particle size: colloids, suspensions, true solutions.
Describe how you would test whether a given mixture is a true solution, colloid, or suspension.
Describe one method to distinguish between a colloid and a true solution.
Describe the difference between the dispersion phase and dispersion medium in a colloid.
A mixture of water and flour is left undisturbed. After some time, the flour settles at the bottom. What type of mixture is this?
A student mixes sand in water and observes that the sand settles down after some time. What type of mixture is this?
Which of the following can be separated by centrifugation? (1) True solution (2) Colloid (3) Suspension (4) Both 2 and 3
Which of the following is a characteristic property of a true solution? (1) Particles can be seen with the naked eye (2) Particles settle on standing (3) Particles do not scatter light (4) Particles can be separated by filtration
Which of the following is a property of colloids but not of true solutions? (1) Homogeneous (2) Tyndall effect (3) Particles do not settle (4) Transparent
Which of the following is a property of suspensions? (1) Homogeneous (2) Particles settle on standing (3) Cannot be filtered (4) Do not scatter light
Fill in the blank: A true solution is ________ in nature, while a suspension is ________.
Fill in the blank: Colloidal particles have a size range of ________ nm to ________ nm.
Fill in the blank: The continuous phase in a colloid is also known as the ________.
Fill in the blank: The minimum size of particles in a suspension is ________ nm.
Can a suspension be separated by filtration?
State whether the following statement is true or false: Colloidal particles can pass through ordinary filter paper but not through animal membranes.
State whether the following statement is true or false: Colloidal solutions are always opaque.
State whether the following statement is true or false: Colloids are always heterogeneous at the microscopic level.
