Mercury is not very soluble in water, with only small amounts dissolving in liquid form. However, elemental mercury can readily combine with other elements to form various compounds that can be more soluble in water or other solvents.
mabye
Mercury chloride is soluble in water.
Mercury and brake fluid come to mind.
Barometers can use any liquid. A dense liquid that makes for a short column at room temperature, is mercury.
pressurize it
Solid iron will float in liquid mercury. In most liquids it will sink.
The name of this liquid is filtrate.
When Mercury is at any temp. Over -47 it will stay a liquid
Soluble.
the water is soluble because it is a liquid
A liquid is soluble in a particular solvent. Petrol or Diesel used as vehicle fuel is a liquid that is soluble in oil. Benzene is soluble in petrol. Alcohol (ethanol) is soluble in water. Acetone (nail polish remover) is soluble in water.