Difference between physical change and chemical change
Answers
the molecules of rearranged in their actual composition remains same is called physical change.
the molecules of composition are completely changed to form new substances is called chemical change.
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Answer:
Answer:
Physical change
=> It is a temporary change
=> It is a reversible change because its again change into same state or different state.
=> In physical change only physical propertie change like state , colour ,smell etc
=> In physical change no new substance are formed .
=> There is no change in energy .
=> mass of the substance does not change.
Chemical change
=> It is a perment change
=> It is not reversible change
=> In chemical change both physical and chemical properties are change
=> In chemical change new substance are formed
=> There is always change of energy
=> mass of the substance change