Question

What is supersaturated solution?

Answer 1

Any solution containing more solute than required to prepare a saturated solution at any fixed temperature is called supersaturated solution.

Supersaturated solution is a meta-stable state i.e. it will remain in supersaturated state so long it is left undisturbed. A slight disturbance (e.g. slight rise or fall of temperature) will turn it into a saturated solution.