Question

plz tell the answer . I have to make project on this topic.plz ......​

Answer 1

1. Chemical and physical changes occur all around us all the time. These changes are essential parts of our daily lives, for example digesting food , combustion, osmosis and phase changes. However, a few of chemical and physical changes that occur daily are harmful for the environment.

2 Difference between physical and chemical change.

= Physical changes only change the appearance of substance, not it's chemical composition.

Chemical changes cause a substance to change into an entirely substance witha new chemical formula. Chemical changes are also known as chemical reaction.

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