Question

In which phase transition do molecules directly move from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles?
a. evaporation
b.sublimation
c.freezing
d. deposition

Answer 1

Molecules directly move from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles in the transition phase known as B. sublimation. 

Answer 2

It's B.)Sublimation...That's a easy one

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