Differentiate between chemical changes and physical changes
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the change in which new substance is formed is called chemical change
the change in which no new substance is formed is called physical change
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Physical Change :
A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another. The size or shape of matter may be changed, but no chemical reaction occurs.
Chemical Change :
A chemical change occurs when one chemical substance is transformed into one or more different substances, such as when iron becomes rust. Chemical changes occur through the process of chemical reactions, and the resulting substances have different properties because their atoms and molecules are arranged differently.
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