Question

project on physical change and chemical change

Answer 1

physical changes are those changes which cannot be brought back to its position just like burning of a paper it can't be brought back to its position original most of the physical changes or Irreversible

chemical changes are those changes which can be brought back to its original position just like melting of wax still it is can be brought to its back position most of the changes reversible

hey friend is my answer is helpful considered brain l i e s t and you may follow me for any sort of help