1. Which of the following is an example of colloids? A cream B. coffee C. juice D. water

2. Which of the following is a type of colloid? A. air B. foam C. vinegar D. yeast

3. Which of the following is a natural colloids? A. milk B. fog C. water D. wind

4. Which material below is an emulsion? A. blood B. butter C. cream D. mayonnaise

5. If light can passed through and scattered the particles of colloids, it is known as A. Brownian movement C. Newton's Law of light B. Tyndall effect D. Effects of light

6. In a suspension mixture, how will the solute particles behave? A. mix fast C. settle at the bottom B. scatter evenly D. mix will with the liquid

7. Suspension mixtures are useful in the following situations EXCEPT A. Cooking C. healing illnesses B. Drinking D. constructing houses

8. What word describes a suspension mixtures? A clean B. clear C. cloudy D. dirty

9. Suspension is a mixture. A. concentrated B. diluted C. heterogeneous D. homogeneous

10. What is the best description of suspension mixtures? It is A. homogeneous mixture which particles do not completely dissolve and settle down at the bottom B. heterogeneous mixture which particles do not completely dissolve and settle down at the bottom C. mixture that dissolve completely and mix evenly with other substance. D. Mixture that evenly mix and float in the process of dissolving.​