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S.No.
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Differentiating Property
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Physical Change
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Chemical Change
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1
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Explanation
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In a physical change, the molecules are rearranged while their actual composition remains same.
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In a chemical change, the molecular composition of a substance completely changes and a new substance is formed.
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2
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Type of Change
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Physical change is a temporary change.
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Chemical change is a permanent change.
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3
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Energy Production
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In a physical change, no energy is produced.
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In a chemical change, energy is produced (heat, light, sound, etc.
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4
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Formation of new substance
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In physical change, no new substance is formed.
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A chemical change is always accompanied by one or more new substance(s).
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5
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Affects
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Physical change affects only physical properties i.e. shape, size, etc.
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Chemical change both physical and chemical properties of the substance including its composition.
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