The izz of carbonated beverage is a physical change.īecause the dissolved CO2 gas comes out of the drink in the form of bubbles. A carbonated beverage container is opened, producing a izzing sound and carbon.In the following scenarios, tell whether the change being described is a physical or aĬhemical change, and explain the reasoning behind your answer. ©2014, Carolina Biological Supply 1 Laboratory Questions The formation of stalactites in caves: is the result of chemical reactions that change.Add a piece of sodium to water: create a chemical reaction to form a base solution.Cheese fermentation: The fermentation process changes the nature of the cheese,Ĭreating other substances that change the cheese color and lavor.Mixing sand and water: Mix sand and water to turn them into a mixture, butĬhemically they do not cause any chemical reaction at all but still sand and water.Melting an ice cube: melting an ice cube only changes from solid to liquid, not the.Boiling water: Essentially, boiling water only changes the temperature of the waterĪnd converts it from liquid to vapor, not the chemical composition of the water.List three examples of physical changes and three examples of chemical changes.Įxplain why these are chemical or physical changes.Chemical changes cause a substance to change into an entirely Physical changes only change the appearance of a substance, not its chemicalĬomposition. Explain the diference between a chemical change and a physical change.Exploring Physical and Chemical Changes Pre-Laboratory Questions
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