Question

Study about the chemical and physical changes in our surroundings and then submit a report on it.

Answer 1

Chemical changes are the changes which are irreversible and it forms a new substance in the nature whereas physical changes can be reversible and they do not form a new substance. Example for a chemical change in nature: burning of paper produces ash(carbon). Example for a physical change in nature: tearing of paper where there is no new substance formed, this resulting in a physical change.