Question

What are differences between Physical and Chemical Change ?​

Answer 1

Explanation:

physical change=

1) the change is temporary

2) new substances are not produced

3) for example, freezing of water into ice and melting of wax

chemical change=

1) the change is permanent

2) new substances are produced

3) for example, rusting of iron and burning of wax

Answer 2

$\sf\pink{Physical\:Change\:-}$

• Physical change can easily be reversed.
• In this change no new substance can be formed.
• This change is generally temporary.
• Only physical properties of matter can be changed.
• Ex : Melting of wax.

$\sf\blue{Chemical\:Change\:-}$

• Chemical change cannot be easily reversed.
• In this change new substance can be formed.
• This change is generally permanent.
• Chemical properties of substance can be changed.
• Ex : Burning of a paper

$\sf\red{More\:To\:Know\:-}$

Physical Change :

A physical change is the change of matter that occurs without changing the chemical composition of a matter.

Chemical Change :

A chemical changes the change of chemical composition of a matter.