III) Oxide Mn2o4 Sodium silicate is an inorganic compound generally known as h2o glass, Using the chemical method Na2SiO3. It's really a colorless, somewhat alkaline viscous liquid, weakly alkaline, soluble in water, and can manufacture silica gel, silica black, silica sol, silicate cement, textiles, fireproofing agents, and so on. Sodium silica