Chemicals, Elements, Formulas, Compounds, Chemistry.
construction materials, pigments, and agriculture. Nausadar (NH₄Cl): Ammonium chloride, used as a fertilizer and in soldering. Gases: Metals and their Compounds: Litharge (PbO): Lead oxide, used in glassmaking and ceramics. Galena (PbS): Lead sulfide, the main ore of lead. Red vermilion (Pb₃O₄):