Of course they use water. In specific instances, they may use other solvents. It all depends what they want to dissolve.
Because .
Scientists can use water as a solvent for paint, but only if the pigments of the pain are water soluble. If the pigments are not water soluble, then some other solvent must be used, for example oils. This is the difference between watercolor paintings and oil paintings.
Water is the Universal solvent
Solvent is water.
When soap is added to water, water is the solvent
Because .
Scientists can use water as a solvent for paint, but only if the pigments of the pain are water soluble. If the pigments are not water soluble, then some other solvent must be used, for example oils. This is the difference between watercolor paintings and oil paintings.
Water as a solvent is used in the stomach to aid digestion of food. It dilutes the hydrochloric acid secreted in the stomach in the normal digestion process. Too much acid and one suffers from acidosis/heartburn/reflux. Water as a dilutant limits this discomfort.
Water is the Universal solvent
Solvent is water.
When soap is added to water, water is the solvent
The solvent is the pure water.
The solvent is the water
Salt and sugar aer the solute(s), and water is the solvent.
The solvent in sea water is water.
Water itself. Water is the universal solvent.
Water vapor would be the solvent. Water alone is a good solvent.