Question

4. Chemical changes are:
a .always reversible
b.sometimes reversible
c. always irreversible
d. sometimes irreversible​

Answer 1

Answer:

C. Always Irreversible

Explanation:

All chemical changes are irreversible changes. Once the chemical properties of a substance are changed, it becomes another substance. Thus, it cannot return to its original state.

Answer 2

always reversibly yes your answer is correct