A change that we want to take place and is useful to us.
An example of a reversible change
A change in which heat energy is released.
A chemical change by which plants make their own food.
The process in which a solid when added to a liquid disappears into liquid to form a homogeneous mixture.
A process in which a liquid on cooling changes into a solid.
Identify the following as reversible or irreversible change.Melting of wax
Identify the following as reversible or irreversible change.Dissolving of salt in water
Identify the following as reversible or irreversible change.Growth of a baby
Identify the following as reversible or irreversible change.Cooking of food
Identify the following as reversible or irreversible change.Growth of a plant
