Question

Proper difference between physical and chemical changes? ​

Answer 1

Answer:

in physical change the appearance or form the matter changes but the kind of the matter in the substance does not

in the chemical change kind of the matter changes at least one new substance with new properties is formed

Answer 2

Answer:

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Explanation:

:physical changes:

• A physical change is the change of matter that occurs without changing the chemical composition of matter

• Usually reversible

• New products are not formed

• Some changes occur when heating or cooling is done

• Changes have no effect on the chemical bonds of molecules of a substance

:Chemical Changes:

• A chemical change is the change of chemical composition of matter

• Usually irreversible

• New products are formed

• Changes always involve absorption or release of energy

• Have a direct effect on the chemical bonds of molecules in a substance

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