Here is a brief look at how precipitated silica is made: Step 1: Precipitation. Sodium silicate solution (water glass) and mineral acid are reacted in an agitated vessel to produce a slurry of amorphous silica particles.
An intensive property is a physical quantity whose value does not depend on the amount of the substance for which it is measured. For example, the temperature of a system in thermal equilibrium is the same as the temperature of any part of it.
For a first date, this was too much intensity. Intensity is the degree, volume, or magnitude of a thing, such as fire, emotion, weather, work, or passion. Intensity is a word sometimes associated with passion, fire, and violence. It's used when discussing the level of such things as a love affair or, perhaps, a flame. For example, the intensity of the relationship between Bergman and Bogart in Casablanca was very high.