define physical and chemical charges.give some examples of physical and chemical changes
Millii:
it's change or charge ?
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physical change :
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.
e.g melting of ice etc .
Chemical Change :
Chemical change is any change that results in the formation of new chemical substances.
e.g Rusting of iron . burning of gasoline etc
Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.
e.g melting of ice etc .
Chemical Change :
Chemical change is any change that results in the formation of new chemical substances.
e.g Rusting of iron . burning of gasoline etc
thanks
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