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October 4-8, 2021
9
Week #
11. Which of the following is an example of a colloid?
a. Mayonnaise
c. cooking oil
b. soft drinks
d. bubbles in water
12. What phenomenon occur when dispersed colloid particles scatter light?
a. Tyndall effect b shaft effect c. miscible d. immiscible
13. What example of colloid has dispersed solid particles in
gas? a. milk b. smoke c. gelatin d. blood
14. What is the most abundant particle in a colloid?
a dispersing mediums c. dispersing phases
b. miscible
d. immiscible
15. Why is milk categorized as emulsion?
a. because settling cannot separate the components of
homogenized milk.
b. because settling can separate the components of homogenized
milk
The colloid's particles of milk are larger.
d. The colloid's particles are smaller.
16. What kind of mixture is formed when larger particles settle out when left undisturbed?
a colloid
b. suspension c. solution
d. solvent
C.
17. What kind of mixture is formed when oil is mixed with water?
a. solution
b. water
c. colloids
d. suspension
18. Which of the following mixtures is not an example of a suspension?
a. salt and water b. oil and water c. sand and water d. chalk and water
19. How does suspension appear?
a. It appears clear. b. It appears cloudy. c. It appears messy. d. none of the above
20. Which of the following statements do not describe a suspension?
a. Suspensions are larger particles is visible to the naked eyes.
b. Suspensions are particles that settle out when left undisturbed.
c. Mixture of soil and water is an example of suspension.
d. Suspensions are homogeneous mixture and invisible to the naked eye.​