a. SCIENCE ng kanyang mga kaklase. Directions: Read and understand the questions carefully. Write the letter of the correct answer on the space given before the number. 1. All of the following are chemical properties of matter EXCEPT a. biodegradability c. elasticity b. combustibility d. flammability 2. How do you call the ability of a material to decompose? biodegradability c. malleability b. combustibility d. flammability 3. Which of the following materials has the ability to ignite or catch fire easily? . a. dried leaves c. fresh fruit peelings b. leftover foods d. diamond 4. Which of the following materials is biodegradable? a. rubber b. metals c. diamond d. vegetables 5. All of the following are flammable materials EXCEPT a. thinner b. oil c. kerosene d. gold 6. Which of the following activities produce or form a new product? a. When a material is burn, smoke is release together with the formation of ashes. b. When an ice cube melts due to heat. c. When you cut a piece of wood. d. All of the above 7. All of the following are evidences of chemical change EXCEPT A. Formation of Gases B. Heat C. Formation of new product release D. Flexibility of material 8.Which of the following phases involves chemical change? a. a. freezing b. b. decomposition c. c. condensation d. d. precipitation 9-10. Draw materials that burn casily.​