Non-Polar Insolubility
Why Non-Polar Substances Like Oils and Plastics Can't Dissolve in Water

Discover why non-polar substances, including oils and certain plastics, do not dissolve in water and the science behind solubility.

Unsolvable Substances
Which Substances Are Insoluble in Water? A Quick Guide

Discover the substances that do not dissolve in water, including sand, oil, wax, and more!