Chapter No. 3: Chemical Reactions and Equations.
What are the differences between physical change and chemical change?
Physical Change
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Chemical Change
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Physical Change is often a temporary change.
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Chemical Change is a permanent change.
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In this change, the state of substance changes but its chemical composition remains same.
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In this change, the state of the substance may or may not change but the chemical composition of substance changes.
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No new substances are formed.
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New substances are formed.
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It is often reversible.
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It is irreversible.
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E.g. Steam is condensed.
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E.g. Ripening of fruits.
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