Chemicals, Elements, Formulas, Compounds, Chemistry.
nitric and hydrochloric acids that can dissolve gold and platinum. Dry ice (CO₂): Solid carbon dioxide, used as a refrigerant and in food preservation. Green Case (FeSO₄ 7H₂O): Iron sulfate, used in fertilizers and water treatment. Horn Silver (AgCl): Silver chloride, used in photography and water