Physical change is defined as the change in shape ,size or state of the substance. No change in chemical composition is occurs. Generally reversible change. For example: melting of ice into water
Chemical change is defined as the change when chemical composition of substance changes and new substance is formed.Generally irreversible change. For example: burning of wood.
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The example of chemical change is lighting the match.
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The <em>chemical change</em> occurs when bonds on between the atoms and molecules changes and new substance forms.
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The example of physical change is freezing of water.
