NAME: ________________________________ DATE: ________________ Multiple choice: Choose the correct answer and put its letter on the space before the number. ___ 1. A beverage (drink) contains 3% alcohol which means that a. The solution contains 3 ml of alcohol in97 ml of water b. The solution contains 30 ml water in 70 ml of water c. The solution contains 300 ml of alcohol in 700 ml of water d. the solution contains 100 ml of alcohol in 100 ml of water. ___ 2. Which of these actions will cause more sugar to dissolve in a saturated sugar solution? I. By stirring vigorously II. By cooling the solution III. By heating the solution a. I only b. I and III only c. II only d. I and II only ___3. Which of the following will affect the solubility of a solid in a liquid? a. temperature b. stirring c. freezing d. eating For number 4, solve the problem and show your solution using the formula. No solution, no point. Mass of material/solution x mass of solute 100 grams of solution ___ 4. Sterling silver contains 95% silver. If a necklace made of sterling silver weighs 15 grams, what is the mass of silver dissolved in the necklace? a. 1.6 grams b. 6.2 grams c. 9 grams d. 14.25 grams Are the following soluble or not? Put a check mark on the appropriate column. Substance/Material 1. Mongo 2. Instant coffee 3. Sand 4. Salt 5. Laundry powder (Tide/Surf/Pride) 6. EC Lion 7. Corn 8. Rice 9. Instant noodles (maggi/pancit canton) 10. sugar Yes No MATCHING TYPE: Match column A with column B. Write the letter of your answer on the blank before each number. ___1. ___2. ___3. ___4. ___5. ___6. ___7. ___8. ___9. ___10. ___11. ___12. ___13. ___14. ___15. Column A A solution which has a small amount of solute for a certain volume of solvent Mixture of two or more metals The component of a solution that is lesser in quantity The maximum amount of solute that can be dissolved in a certain amount of solvent at a certain temperature A solution which has a large amount of solute for a certain volume of solvent. The component of a solution that is in greater amount. It is the dissolving substance of a solution. A solution contains less solute than it has the capacity to dissolve A solution that contains as much of the solute that it can no longer dissolve because it is already “full.” Pure gold Mixture of iron and carbon Mixture of carbon and zinc The amount of water vapor in the air The simplest and purest form of matter. Composed of two or more substances combined physically in any proportion. Ionized gas like the gas inside a fluorescent bulb. Column B A. Solute B. Solvent C. Solubility D. Concentrated E. solution F. Unsaturated G. Saturated H. Alloy I. steel J. 24 karats K. brass L. plasma M. Humidity N. Mixture O. Substance P. Dilute solution