👉 Nonsolids are substances that do not dissolve in any solvent or aqueous solution. This means they cannot be dissolved in a liquid, and their particles remain intact after dissolution. In chemistry, nonsolids are often used to represent compounds that cannot be dissolved in water or other solvents. They can exist as solid, gaseous, or even liquid substances. For example, ammonium nitrate (NH4NO3) is an example of a compound that is not soluble in water