State three differences between a physical change and a chemical change
Answers
Answered by
2
Answer:
physical change is a reversible change while as chemical changes irreversible
in phycical change the properties of a substance do not change ,but in chemical change properties of a substance chage .
examples of a physical cange are : melting of ice etc . examples of chemical changes are : burning of paper ,rusting of iron , digestion in human beings etc
Answered by
2
Answer:
in chemical changes
1. the product changes colour
2. it is irreversible
3. formation of gas and heat.
in physical changes
1. just the state of matter can change
2. it is reversible
3. it does not produce heat or gas
Similar questions