Quiz on Colloids, Suspensions and Their Characteristics
Directions: Write the letter of the correct answer.
1.What kind of mixture is formed
when oil is mixed with water?
a. Solution b. water
c.
Colloids d. suspension
2.How does suspension appear?
a. a. It appears clear. b. It appears cloudy.
c.It appears messy.
d. none of the above
3.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.
4.What kind of mixture is formed
when larger particles settle out when left undisturbed?
a.
Colloid b. suspension
c. Solution d.
solvent
5.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
6. Which of the following is an
example of a colloid?
a.
mayonnaise b. cooking
oil
c.
soft drinks d. bubbles
in water
7. What phenomenon occur when
dispersed colloid particles scatter light?
a.
Tyndall effect b. shaft effect
c.
miscible d.
immiscible
8. What example of colloid has
dispersed solid particles in gas?
a.
milk b.
smoke
c.
gelatin d. blood
9. What is the most abundant
particle in a colloid?
a.
dispersing mediums b. dispersing
phases
c.
miscible d.
immiscible
10. 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
c. The colloid’s particles of milk
are larger.
d. The colloid’s particles are
smaller.
11. Soda pop, whipped cream, and
beaten egg whites are examples of what type of colloids?
a.
foam b. emulsion c. sol d.
aerosol
12. How would you differentiate a
colloid mixture from a solution?
a. The colloid’s particles are larger.
b. The colloid’s particles are smaller.
c. A colloid has a positive charge.
d. A colloid has a negative charge.
13. A colloid is a stable
combination of particles of one substance that are dissolved or suspended in a
second substance.
a.
True c. Maybe
b.
False d. None of these
14. An _______ is a sol with a continuous
phase gas. Fog is an ________ of water droplets.
a.
aerosol c. sol
b.
emulsion d. foam
15. An ______ is a sol in which
the suspended particles are liquid droplets and the continuous phase is also a
liquid. The two phases are immiscible, otherwise
a.
solution would form b. aerosol
c.
emulsion d.
foam
Identify whether the answer is Yes
or No. Write your answer on a separate sheet.
___________16. Suspensions can be
used in processing medicine, beverage and food.
___________17. The appearance of
suspension is clear and uniform in color.
___________18. Mixture of tea
leaves in hot water is an example of suspension.
___________19. Suspension appears
cloudy.
_________20. Suspension is a kind
of mixture where particles are evenly
distributed and invisible.
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