Question

please answer my question

define with example
1. reversible and Irreversible change

Answer 1

Irreversible changes, like burning, cannot be undone. Reversible changes, like melting and dissolving, can be changed back again. Mixtures can be separated out by methods like filtering and evaporating.

Answer 2

reversible change is a physical change that can be undone. A final substance can be converted back to the original substance without creating any new material. Freezing, melting, dissolving, boiling, evaporating and condensing are reversible changes.

About irreversible changes or chemical changes. Irreversible changes are permanent changes. Examples for irreversible changes.