6.3.1.2 Changes of State Flashcards
1
Q
What are changes of state?
A
- physical changes
2
Q
Why do physical changes differ from chemical changes?
A
- material recovers its original properties if the change is reversed
3
Q
What happens to mass during a change of state?
A
- it is conserved
4
Q
How do you get from a solid to a gas?
A
- sublimation
5
Q
How do you get from a solid to a liquid?
A
- melting
6
Q
How do you get from a liquid to a gas?
A
- evaporating/vapourisation
7
Q
How do you get from a gas to a liquid?
A
- condensing
8
Q
How do you get from a liquid to a solid?
A
- freezing