Question

what is a chemical change and physical change

Answer 1

chemical change-
change in constituents
change in properties
permanent
irreversible

physical changes
no change in constituents
no change in properties
temporary
reversible

Answer 2

PHYSICAL CHANGE :- ●This change is reversible and can be reversed. ●In this change no new substance is formed. ●For example :- melting of ice ______________________________  CHEMICAL CHANGE :-●This type of change is irreversible and can not be reversed. ●In this change new substance with different properties is formed. ●For example :- burning of paper  ______________________________ Hope that it helps :)