Sometimes 2 substances are mixed t o bring a change. This change can be reversible or irreversible.
Reversible change by Mixing 2 Substances
Mixing of Water and Salt to form a solution is a reversible change.
- When salt and water are mixed together .
- It forms a solution .
- When this solution is heated in a pan, water evaporates and the salt is left in the pan .
- When this water vapor cools down it forms water again.
- Thus,this process of mixing 2 substances is a Reversible process.