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A chemical change in which chemical bonds are broken, and new bonds are formed, to produce a new chemical substance.
A chemical change in which chemical bonds are broken and new bonds are formed to produce a new chemical substance. Chemical reactions are different than physical changes, in which particles may arrange differently but remain unchanged themselves. The substances that are consumed in a reaction are called reactants, and the substances produced are products.
Chemical reactions are different than physical changes, in which particles may arrange differently but remain unchanged themselves. The substances that are consumed in a reaction are called reactants, and the substances produced are products.