Question

what are the differences between the physical change and the chemical change

Answer 1

a new substance is formed in chemical change but no new substance is formed in physical change

Answer 2

Answer:

• Physical change

1. When the physical state of the substance changes but it's chemical composition remain same, then it is said that a physical change has taken.
2. Physical change is often temporary in nature.
3. During physical change, new substances are not formed.
4. Example: Condensation of steam, Evaporation of water, melting of ice, melting of wax.

• Chemical change

1. A chemical reaction is a process in which substances undergo bond breaking and are transformed into new substances by formation of new bonds.
2. Chemical changes rein permanent.
3. During chemical change, composition of matter changes.
4. Example: Burning of wood, Rusting of iron, Ripening of fruit.

Hope you understood mate!!!