What is a chemical reaction an...
What is a chemical reaction and how is it different from a physical change?
A chemical reaction involves the formation of new substances with different properties, while a physical change only alters the state or appearance of a substance.
A chemical reaction involves a change in color, while a physical change does not.
A chemical reaction involves a change in temperature, while a physical change does not.
A chemical reaction involves a change in shape, while a physical change does not.
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