Question

state the difference between a reversible and irreversible change​

Answer 1

Answer:-

• Reversible changes: The changes which can be brought back to its original form are known as reversible changes. For example, melting of wax and stretching of a rubber band. Irreversible changes: The changes in which the matter cannot be brought back to its original state are known as irreversible changes.

Answer 2

A change which cannot happen backward, that is, it cannot be reversed is called an irreversible change.

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Difference between physical and chemical changes.

Physical changes Chemical changes

Mostly reversible changes. All are irreversible changes.

A new substance is not formed. A new substance is formed.