Give two examples in which a physical change and a chemical change takes place simultaneously?
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CHEMICAL CHANGE-rusting of ironcombustion (burning) of woodmetabolism of food in the bodymixing an acid and a base, such as hydrochloric acid (HCl) and sodium hydroxide (NaOH)cooking an eggdigesting sugar with the amylase in salivamixing baking soda and vinegar to produce carbon dioxide gasbaking a cakeelectroplating a metalusing a chemical batteryPHYSICAL CHANGE-crushing a can
melting an ice cube
boiling water
mixing sand and water
breaking a glass
dissolving sugar and water
shredding paper
chopping wood
mixing red and green marbles
sublimating dry ice
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