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If  the penny is cleaned, is this a chemical or physical change?

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  • If  the penny is cleaned, is this a chemical or physical change?


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Students will use dirty pennies to observe physical change. ... penny that is no longer shiny. ... If the cleaned ... chemical or physical change. ...
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Positive: 99 %
Physical, or Chemical? ... In a physical change, ... Part 1 is a chemical change. The rust on the penny reacts with the vinegar, ...
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Positive: 96 %

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Unlike a physical change, chemical changes cannot be reversed. ... Here are 10 common examples of Chemical Change you can find in your home. Baking cakes
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Positive: 99 %
No chemicals or liquids needed ... Locking pliers must be firm enough to secure the penny while cleaning yet not so firm that ... Pennies get cleaned in ...
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Positive: 94 %
Penny Bright Experiment: Does Salt & Vinegar Have An Effect On ... - Students will examine a penny and record 5 ... - Chemical Change - Physical Change
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Positive: 80 %
Is dissolving salt in water an example of a chemical change or a physical change?
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Positive: 57 %

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