Question

Difference between chemical change and physical change .
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Answer 1

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Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

Answer 2

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Chemical change ✍

➠ A change in which new substances are formed and which cannot be reversed by reversing the conditions is called a chemical change.

Physical Change ✍

➠ A change in which no new substances are formed and which can be reversed by reversing the conditions is called a physical change.

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