Is there any difference between molten metal and liquid metal?

The other answers are good, only one metal is liquid at normal temperatures - mercury. (It freezes at -40 degrees), there is another metal with a low melting point. read more

As you said, the meaning is exactly the same. Molten reduces the ambiguity, because you emphasize that you know, that it is solid substance at laboratory conditions and you heat it to become liquid (while staying pure substance). read more

the capability of molten metal to fill a mold cavities is called fluidity, it consist of two basic factors ; characteristics of molten metal and casting parameters.proper fluidity allows for a full casting mold and reduces the chances of shrinkage or porosity. read more