Chemistry
ilhanarslan38
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PLEASE HELP ASAP Lists of observable changes that suggest a chemical or physical change has occurred? Lists of observable changes that suggest a chemical or physical change has occurred?

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(2) Answers
CatrinaSchmig

physical change is a change in color texture and ect chemical is the change in the actual substance

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CHEMICAL CHANGES 1. rusting of iron 2. combustion (burning) of wood 3. metabolism of food in the body 4. mixing an acid and a base, such as hydrochloric acid (HCl) and sodium hydroxide (NaOH) 5.cooking an egg 6.digesting sugar with the amylase in saliva 7. mixing baking soda and vinegar to produce carbon dioxide gas 8.baking a cake 9. electroplating a metal 10. using a chemical battery 11. explosion of fireworks 12. rotting bananas 13. grilling a hamburger 14. milk going sour PHYSICAL CHANGES 1. crushing a can 2. melting an ice cube 3. boiling water 4. mixing sand and water 5. breaking a glass 6. dissolving sugar and water 7. shredding paper 8. chopping wood 9. mixing red and green marbles 10. sublimating dry ice 11. crumpling a paper bag 12. chopping an apple 13. mixing salt and sand

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