martes, 28 de septiembre de 2010

Chemical Change

Chemical Change

Physical Change: a change in size,shape,or state, without forming a new substance.


Chemical change: a change in matter that produces a new substance with different  properties from the original.


Chemical reaction: a chemical change of original substances into one or more new substances.


Reactant: one of the original substances reaction takes place.


Product: one of the new substances produced when a chemical reaction takes place.


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