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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See sample questions for grade 10
A mixture appears cloudy and does not settle on standing. It cannot be separated by filtration. What type of mixture is it?
A student mixes sand in water and observes that the sand settles down after some time. What type of mixture is this?
A student observes that a mixture is clear, does not scatter light, and cannot be separated by filtration. What type of mixture is this?
Describe one method to distinguish between a colloid and a true solution.
Describe the difference in particle size between a true solution, a colloid, and a suspension.
A mixture appears cloudy and does not settle on standing. It cannot be separated by filtration. What type of mixture is it?
A student mixes sand in water and observes that the sand settles down after some time. What type of mixture is this?
A student observes that a mixture is clear, does not scatter light, and cannot be separated by filtration. What type of mixture is this?
Which mixture will settle down if left undisturbed for some time? (1) True solution (2) Colloid (3) Suspension (4) None of these
Which of the following best describes a colloid? (1) Homogeneous mixture (2) Heterogeneous mixture with visible particles (3) Heterogeneous mixture with particles not visible to the naked eye but visible under ultramicroscope (4) Pure substance
Which of the following can be separated by ordinary filter paper? (1) True solution (2) Colloid (3) Suspension (4) Both 2 and 3
Which of the following is a characteristic of a true solution? (1) Particles can be seen with a microscope (2) Particles do not settle on standing (3) Shows Tyndall effect (4) Is always colored
Fill in the blank: Milk is an example of a ________.
Fill in the blank: The diameter of particles in a suspension is usually ________ than 1000 nm.
Fill in the blank: The mixture of chalk powder in water is an example of a ________.
Fill in the blank: The particles in a true solution are ________ than 1 nm in diameter.
State whether the following is true or false: A true solution can be separated by filtration.
State whether the following statement is true or false: Colloidal particles can pass through ordinary filter paper.
True or False: A colloid can be separated by centrifugation but not by filtration.
True or False: Colloids are always stable and do not settle down on standing.
