Physical or Chemical Are they Physical or Chemical Changes

Question Answer
burning wood Chemical
crumpling a sheet of aluminum foil Physical
souring milk Chemical
melting an ice cube Physical
mixing acid and base Chemical
digesting food Chemical
casting silver in a mold Physical
cooking an egg Chemical
heating sugar to form caramel Chemical
breaking a bottle Physical
baking a cake Chemical
boiling water Physical
rusting of iron Chemical
evaporating alcohol Physical
shredding paper Physical
sublimation of dry ice into carbon dioxide vapor Physical

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