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Sagot :
1. Which does not belong to the group?
a. Sol
b. Emulsion
c. Suspension
d. Foams
2. Which of the following will form a suspension?
a. water and sugar
b. water and salt
c. water and gaw-gaw
d. water and pebbles
3. Which of the following will form a colloid?
a. water and sugar
b. water and salt
c. water and gaw-gaw
d. water and pebbles
4. What 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
5. Large particles settle at the bottom in this type of mixture.
a. solution
b. suspension
c. colloid
d. foams
6. What type of mixture is milk?
a. solution
b. suspension
c. colloid
d. Foams
7. The following are the characteristics of suspension EXCEPT.
a. It is a homogeneous mixture.
b. Its particles do not completely dissolve.
c. The particles settle down at the bottom.
d. It is a heterogeneous mixture in nature.
8. The following best describes a colloid EXCEPT.
a. It has particles that cannot seen by naked eye.
b. The tiny particles settle down.
c. Particles move rapidly.
d. The particles that move collide or bump to each other.
9. A flour dissolved in water is a colloid while sugar dissolved in water is a suspension
a. True
b. False
c. Maybe
d. None of the above.
10. It is an effect that happen when you prepare a glass of milk seen as a beam of light in a colloid because there is a scattering of light when light beams pass through it due to the dispersed particles which absorb, reflect and scatter the light.
a. Tydal Effect
b. Tyndall Effect
c. Brown Effect
d. Disperse Effect
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