1. Which of the following describes solubility? d. The speed of pouring a liquid out of a container. b. The ability of something to dissolve in a liquid c. The time it takes for something to settle at the bottom of a liquid. a. The ability of liquid to change color. 2. A greater amount of sugar will dissolve in warm water than in cold water. What factor affects the sugar’s solubility? 1 point a. Temperature of solvent b. Amount of solute c. Nature of solute d. Manner of stirring 3. Which of the following materials can be dissolved? * 1 point a. Stone b. leaf c. salt d. cloth 4. If you are going to mix hot water and coffee powder what will happen? a. The coffee powder will not dissolve in water. b. The coffee powder will dissolve in water thoroughly. c. The coffee powder will dissolve in water partially. d. None of the above 5. Choose the correct statement. a. A 100 ml water can dissolve a 1 tablespoon of sugar. b. Any quantity of sugar can be dissolved in a given volume of water. c. A given volume of solvent dissolves any quantity of solute. d. None of these 6. Iron fillings in sawdust can be separated by means of ______________. a. decantation b. magnetic separation c. filtration d. sifting 7. How will you separate mixture of metal and nonmetal objects? a. by decantation b. by winnowing c. by using a magnet d. by filtration 8. How can decantation method be useful to everyday life? a. it helps us to become more productive b. it gives us satisfaction to our everyday living c. it just an ordinary technique d. it helps us to make our everyday living more efficient and easier 9. Which one of the following techniques would best be used to separate oil and water? a. filtration b. distillation c. decanting d. chromatography 10. What method is used to separate solid impurities from water using filter in the faucets? a. sieving b. magnetism c. filtering d. distillation 11. Which material will you use if you’re going to make coffee out of grind coffee for your visitors? a. filter paper b. colander c. mesh wire d. strainer 12. This kind of technique in separating mixtures is used in separating fine sand from rocks in the mixtures of sand and gravel. a. picking b. sieving c. filtering d. evaporation 13. Divine wants to separate mixtures of cornstarch from small stones that she will be using in making maja blanca. What kind of material will she use to separate it? a. filter cloth b. towel c. filter paper d. strainer with small holes 14. What separating technique will you use if you want to separate mongo seeds which mixed up with salt? a. filtering b. decanting c. sieving d. magnetism 15. What is formed when two or more substances are combined? a. Pure Substance b. Mixture c. Matter d. Solid Matter 16. What mixture has a uniform composition and exist in single form? a. Homogeneous Mixture b. Heterogeneous Mixture c. Matter d. Pure Substance 17. What mixture has NO uniform composition and exist in two or more phases? a. Matter b. Pure Substance c. Homogeneous Mixture d. Heterogeneous Mixture 18. Which is NOT a heterogeneous mixture? a. Cement b. Halo-Halo c. Salad d. Sand and gravel 19. Which does NOT belong to the group? a. Vinegar b. Mango Juice c. Dishwashing Liquid d. Fried Rice 20. Why do we need to separate the garbage in our homes? a. to separate biodegradable from non-biodegradable and recyclable materials from each other for proper disposal b. to group them according to its color c. for the garbage to look neat and clean d. None of the above