Question

write any two differences between a chemical change and physical change the state one instance in which water undergoes a physical and one in which it undergoes a chemical change

Answer 1

chemicl change
not easily reversible
new product's formed
physical
easily reversible
no new products
ex. ice melting

Answer 2

Answer:

PHYSICAL CHANGES

- The chemical composition of a substance does not change.

- Change is only in the state of matter and not in the chemical identity.

 CHEMICAL CHANGES

- The chemical composition of a substance changes.

- Change is in chemical identity, but may or may not be in the state of matter.