What I Know APRE-TEST) Directions: Read each question carefully and write the letter of the correct answer in your answer sheet 1. Which of the following is an example of colloid mixtures? A butter B. coffee Cjuice D soft drinks 2. Which of the following is a type of colloids? A air B. foam C vinegar O yeast 3. Which material below is an emulsion? A blood B. butter C. cream D. mayonnaise 4. When light passes through a colloids it scattered. This is known as A Effects of light Brownian movement B Tyndall effect D. Newton's Law of Light 5. Which of the following statements show the importance of colloids? A. Dirty air is all over the place B. Children are playing bubbles in the street C. Mang Pedring is using aerosol spray in his farm D. Mom uses butter cream and mayonnaise while cooking 6. Which of the following situation shows the behavior of the particles of suspension? The particles A spread evenly C. mix evenly with the other substance B settled in the bottom D. cannot be seen by naked eyes 7. Why medicines prepared as suspensions should be shaken well before use? To A make sure the flavors are mixed in so that it will not taste bitter B. mix in the powder drug that may have settled at the bottom C. turn the suspension into a colloid before getting the dose D. turn the suspension into a solution before getting the dose 8. When you mix water and flour they form suspension mixture. Why? Because flour A. float in water C. mix evenly with water B. dissolve in water D. settle at the bottom of the water 9. Which of the following mixture is a suspension? A. sand and water B. coffee and water C. sugar and water D. salt and water 10. The following situations show the importance of suspension EXCEPT A My sister is using mixture of oil and vinegar in her salad. B. Mother is using mixture of flour and water in her cooking. C. My brother shakes his suspension medicine before taking it D. I like to prepare a salad with gelatin.​