Question

Differentiate between physical and chemical changes.
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Answer 1

Answer:

Physical change

physical changes only change the appearance of a substance not it's chemical composition.

Chemical change

chemical change cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reaction.

Answer 2

Answer:

Physical change :- The change which can be reversible and temporary change is called physical change.

Chemical change :- The change which can be irreversible and permanent change is called chemical change.

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