Question

ch 6 physical and chamical change for class 7

Answer 1

physical change:-it is a reversible change

reversible change:-the change of matter or substance which can be come back in original state is known as reversible change..ex,- melting of ice,

chemical change are Irreversible change:-

the change which cannot come back in its original state is known as a reversible change..ex-ripening of fruits

thanks..

Answer 2

♡♡Heya♡♡

Your answer is:-

Physical change-Physical change is a temporary and reversible change that does not involve any energy change in the substance...In the other hand...

Chemical change-Chemical change is a permanent and irreversible change that involves energy change in the substance...

Hope it helps!!!

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