Question

What is nucleation in freezing?

(a) Process of gathering of molecules into tiny clusters

(b) It is the final step in freezing

(c) It is the step where nucleus is added

(d) It is the sub category freezing

I got this question by my school teacher while I was bunking the class.

My question is from Crystallization topic in chapter Crystallization of Food Processing Unit Operations

Answer 1

Right option is (a) Process of gathering of molecules into tiny clusters

The explanation is: Nucleation is a process where the molecules or the atoms in a liquid start to gather into tiny clusters, arranging to form the crystal structure of the solid.