THE plasticity of rock salt crystals when immersed in water has been the subject of much attention recently 1. The fact that the effect takes place more easily in hot water suggests that the rate ...

Some crystals look very similar but here are a couple of ways to tell them apart. The salt may look a little grayer than the sugar which may look whiter than the salt. The alum may sparkle a little ...

and the salt crystals re-forming. Dissolving a solid in a liquid depends on the interactions and attractions between the molecules of the liquid (solvent) and the particles of the solid (solute).

As the name suggests, sea salt is derived from evaporating seawater, which leaves behind salt crystals. For this reason, it is less processed than table salt and does contain trace amounts of other ...