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Difference between physical and chemical changes

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Difference between physical and chemical changes

Posted by Qamar Jahan 6 years, 5 months ago

CBSE > Class 07 > Science

1 answers

Sia ? 6 years, 5 months ago

	Physical Changes		Chemical Change
1.	It is not permanent and can easily be reversed.	1.	It is permanent and cannot be easily reversed.
2.	It does not lead to formation of new substances.	2.	It leads to the formation of new substances.
3.	No change in mass is noticed.	3.	There is a change in mass of reactants and products.
4.	The energy changes observed are small.	5.	Large energy changes are observed.

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