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thorn_jac

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    physical v.s. chemical changes help pls

    in Homework Help

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    1. when placed in H2O, a sodium pellet catches on fire as hydrogen gas is liberated and sodium hydroxide forms.

    i put chemical change

     

    2. evaporation

    i put physical change

     

    3.pancakes cooking on a griddle

    i put physical change

     

    4. A tire is inflated with air

    i put physical

     

    5. luster

    i put chemical property

     

    6. odor

    i put physical property

     

    please help :confused:

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