1. Which of the following is the indication that material is formed into a new substance when heat is applied on it? A. ash B. fire C. smoke D. vapor 2. Which of the following procedures in banana cue involves chemical change? A. peeling the banana C. putting the banana on the sticks B. selling the banana cue D. melting the sugar over a low fire 3. Which of the following represents a physical change? A. a bomb exploding C. salt dissolving in boiling water B. an iron nail rusting D. plants performing photosynthesis 4. Which of the following is NOT an indication of chemical change due to application of heat? It changes in A. color B. odor C. size D. taste 5. Ash is a new substance formed when A. rice is cooked C. food is digested B. wood is burned D. a fruit turns moldy 6. What changes happen when melting takes place? A. solid to gas B. gas to liquid C. liquid to gas D. solid to liquid 7. Dissolving salt in hot water is an example of a A. chemical change C. chemical property B. physical change D. physical property 8. What reaction may take place when a liquid boils? A. condenses B. corrosion C. evaporation D. sublimation 9. Which of the following represent a chemical change? A. cooking meat C. candle melting B. water boiling D. acetone evaporating 10. Baking cake is an example of alan A. chemical change C. chemical property B. physical change D. physical property be ag € A
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