-1. Two difference between physical change and chemical change?
Answers
two differences between physical change and chemical change
physical change
a change in which substance retain its identity.
it is reversible
it is temporary change
no change in mass of substance takes place
chemical change
it loses its identity
it is permanent change
it is Irreversible change
change in Mass takes place
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physical change : in this, only the form of substance is changed, but no new substance is formed. it is a reversible change. example: melting of ice will change just it's state but it can be reversed into its previous form. chemical change: in this , change a new substance is formed which is completely different from the previous one.it is a irreversible change. example: curd from milk it cannot be change into its previous form and different in very way it's take , consistency, and all . HOPE IT HELPS YOU.....