Rock candy is an example of which one of the following type of solution?

Rock candy is an example of which one of the following type of solution?

راک کینڈی اس کی ایک مثال ہے جس میں سے کس طرح کے حل کی ایک قسم ہے؟
Explanation

Rock candy forms when a supersaturated sugar solution cools and sugar crystals gradually crystallize out.

It shows crystallization from a supersaturated solution, not just a simple saturated one.