Question 10. answer choices ... What part of digestion is a PHYSICAL change? The process of digestion is a chemical change. The biogas is then burnt as fuel (Change—B). Chemical Change. Evaporation is a physical change. Chemical change b. So, the process of digestion is a chemical change. 2. When the bonds of a molecule are changed ... What is evidence that a chemical change has occurred in digestion? Label each process as a physical or chemical change: Burning wood is a physical change. Answer: In the process of digestion, the various food materials break down to form new substances which can be absorbed by the body. Physical and Chemical Changes worksheets and online activities. Physical and Chemical Changes Q45. In case a statement … When a new substance is formed with different properties than the original substance it is called a a. 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. (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. 5. (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 The alcohol must first evaporate, which is a physical change, before it burns (the chemical change. (a) Process—A is a chemical change. State whether the following statements are true or false. 7. 7. Tags: Question 2 . Classify the changes involved in the following processes as physical or chemical changes: Ans. (c) Both processes A and B are chemical changes. Digestion of food. 1. Free interactive exercises to practice online or download as pdf to print. Anaerobic bacteria digest animal waste and produce biogas (Change—A). Q. When platinum is heated, then cooled to its original state, we say this is a physical 18. change. Physical change. 17. (f) Digestion of food. 2. 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. 20. Changing the size and shapes of pieces of wood would be a chemical change. When milk turns sour, this is a physical change because a change in odor does not 19. indicate a chemical change. Answer. (d) None of these processes is a chemical change. 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 Physical change c. Freezing d. boiling 5. 4. answer choices . Chemical change. 6. 30 seconds . (b) Process—B is a chemical change. Question2. Evaporation occurs when liquid water changes into a gas. How ozone layer acts as a protective shield? Explain why. In a physical change, the makeup of matter is changed. Physical Change. The following statements pertain to these changes. answer choices If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a a. d. Neither a physical or chemical change 4. SURVEY . An example of a chemical change is when water freezes. 3. Combining hydrogen and oxygen to make water is a physical change. Showing top 8 worksheets in the category - Physical Vs Chemical Reactions. 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