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Physical and Chemical Changes

Presentation of physical and chemical changes for 10th Grade Chemistry students
by

E Jimenez

on 24 August 2012

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Transcript of Physical and Chemical Changes

Chemical
reactions Physical
change Chemical
change Physical or chemical
change? Chemical and Physical Changes Irreversible Reversible no new substances Energy transfer Gas production Precipitate new substances Conservation of mass The mass of the products is always equal to the mass of the reactants Frying an egg
Burning toast
Making orange juice
Ice melting
Breaking a plate
Brewing tea
Chewing breakfast
Digesting breakfast
Full transcript