Liquéfier belong to the 1
st group.
Liquéfier is conjugated the same way that verbs that end in :
-ier
Liquéfier is conjugated with
auxiliary avoir.
Liquéfier verb is
direct transitive.
French verb liquéfier can be conjugated in the reflexive form:
Se liquéfier
Liquéfier verb is a direct transitive verb, so passive voice can be used.