It all depends on the liquid and the situation. I'm afraid your question does not specify enough to be answered in full.
propanone is liquid at room temperature
Oils are liquid triglycerides, at room temperature that is.
Bromine exists as a liquid at the room temperature.
Ethanol is a liquid at room temperature.
Aluminium is not a liquid at room temperature.
Methanol is a liquid at room temperature.
Mercury is the only metal to be liquid at room temperature.
it is liquid at room temprature
Mercury is the metal that is liquid at room temperature
it's already a liquid at room temperature
the metal that is liquid at room temperature is mercury
Many things are liquid at room temperature, includingwateroilsMercury