Question

difference between chemical and physical chamges​

Answer 1

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Physical Changes :-

Physical changes only change the appearance of a substance, not its chemical composition.

Chemical Changes :-

Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

Answer 2

Chemical changes

• A chemical change occurs when a new substance is formed from the chemical reaction .
• Example: cooking, burning of wood etc.

Physical changes

• A physical change is a change in which no new substance is formed.
• Examples: melting an ice cube, crushing a can..

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