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.
Intensive Commercial Farming: A system of agriculture in which relatively large amounts of capitol or labour and applied to relatively smaller areas of land. It is practiced in countries where the population pressure is reducing the size of landholdings.