Answer:
A solvent is a chemical substance that has the ability to dissolve other chemical compounds, called solute, to form a solution.
Solvents can be polar and non-polar in nature.
In general, polar solvents dissolve only polar solute molecules and non-polar solvents dissolve only non-polar solute molecules.
Highly polar solute molecule such as ionic compounds like NaCl and sugars, dissolve only in highly polar solvents with a large dielectric constant like water.
Therefore, because of the high dielectric constant of water, ionic compounds can be easily separated and dispersed.