Question

what is the difference between chemical change and physical change

Answer 1

Dear student,

Physical change:
1. It involves the change in physical state of matter without changing the chemical composition.
2. No new products are formed.
3. These changes are reversible in nature.
4. These changes do not directly effect the chemical bonds of the molecule
Ex- Melting of ice

Chemical change:
1. It involves the change in chemical composition.
2. New products are formed.
3. These changes are irreversible in nature.
4. These changes have direct effect on the chemical bonds of the molecule
Ex- Burning of paper

Regards