Digestion of food. 6. The biogas is then burnt as fuel (Change—B). Combining hydrogen and oxygen to make water is a physical change. 2. An example of physical change in digestion Skills Practiced Knowledge application - use what you know about digestion to answer questions about the chemical changes to food in the body Chemical change b. answer choices ... What part of digestion is a PHYSICAL change? Showing top 8 worksheets in the category - Physical Vs Chemical Reactions. Some of the worksheets displayed are Physical and chemical changes work, Physical and chemical changes work, Chemical reactions name, Physical chemical changes in digestion, Physical and chemical change work, Changes physical or chemical, Physical and chemical changes, 2h o 2h. Question 10. Physical and Chemical Changes worksheets and online activities. When milk turns sour, this is a physical change because a change in odor does not 19. indicate a chemical change. Label each process as a physical or chemical change: Chemical Change. Q. Physical change c. Freezing d. boiling 5. Answer. 7. 5. 17. When a new substance is formed with different properties than the original substance it is called a a. Physical Change. The process of digestion is a chemical change. In case a statement … (b) Process—B is a chemical change. Explain why. 4. d. Neither a physical or chemical change 4. Answer: In the process of digestion, the various food materials break down to form new substances which can be absorbed by the body. Physical change. How ozone layer acts as a protective shield? When the bonds of a molecule are changed ... What is evidence that a chemical change has occurred in digestion? 7. The alcohol must first evaporate, which is a physical change, before it burns (the chemical change. An example of a chemical change is when water freezes. (d) None of these processes is a chemical change. Chemical change. 20. Question2. When platinum is heated, then cooled to its original state, we say this is a physical 18. change. Burning wood is a physical change. (f) Digestion of food. answer choices . 3. The following statements pertain to these changes. Free interactive exercises to practice online or download as pdf to print. The question explicitly uses the concept of burning, so answering this one as both a physical and a chemical change (if asked on a test) would probably garner partial credit. answer choices Tags: Question 2 . Physical and Chemical Changes Q45. 1. (a) Photosynthesis - chemical change (b) Dissolving sugar in water - physical change (c) Burning of coal - chemical change (d) Melting of wax - physical change (e) Beating aluminium to make aluminium foil - physical change (f ) Digestion of food - chemical change Answer: (a) Photosynthesis: Chemical change (b) Dissolving sugar in water: Physical change (c) Burning of coal: Chemical change (d) Melting of wax: Physical change (e) Beating aluminium to make aluminiun foil: Physical change (f) Digestion of food: Chemical change Question.2. SURVEY . If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a a. Anaerobic bacteria digest animal waste and produce biogas (Change—A). 2. Changing the size and shapes of pieces of wood would be a chemical change. (c) Both processes A and B are chemical changes. In a physical change, the makeup of matter is changed. 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