Question

Which of the following phases occur at point B on the phase diagram shown below

Answer 1

Answer:

C. freezing

Explanation:

Point B is right at the border between a solid and a liquid so you can have two physical changes:

a) solid is meting to transform into a liquid

or

b) liquid is freezing to transform into a solid (C)

If you are on the border between a solid and a gas you have the following physical changes:

solid to gas - sublimation

gas to solid - deposition

If you are on the border between a liquid and a gas you have the following physical changes:

liquid to gas - boiling

gas to liquid - condensation