What is a reversible sol. ?

Which of the following is a reversible sol?

Assertion : Lyophilic sols are reversible sols. Reason : Lyophilic sols can be reconstituted by simply remixing the dispersed phase and dispersion medium.

What is lyophilic colloid? Why is it known as reversible sol?

(A)Lyophilic colloids are called as reversible sols. (R ) Lyophilic sols are liquid loving .

Lyophilic colloịds are also called reversible sols. Why?

what is reversible process ?under what condition can a process be reversible ?