Revision on reversible and irreversible change.
Reversible and irreversible change The only constant in our environment is change. Both living things and non-living objects can undergo changes. The changes that take place in our environment can occasionally be reversible and occasionally irreversible. In simple, we can define reversible change as the change that can be reversed or undone whereas irreversible change can be defined as the change that cannot be reversed or undone. A reversible change refers to anything that can occur backward, that is, it can be reversed. Reversible changes occurs when the physical or chemical properties of a substance are altered, but the substance remains the same. For example, melting of ice is a reversible change because the ice can be refrozen and return to its original state. Figure 1: Melting of ice Similarly , boiling ...