Making Iron Oxide: A Quick Guide Iron oxide, commonly known as rust, is a versatile compound used in pigments, polishing agents, and magnetic storage. Here’s how to make it using simple methods. **Rusting Process** *Materials*: Steel wool, water, shallow container. 1. Unroll steel wool to increase surface area. 2. Soak it in water, then place it in a container. 3. Expose to air for several days. Moisture and oxygen react with iron, forming reddish-brown iron oxide (Fe₂O₃). Scrape off the rust, dry it, and grind into powder. **Thermal Decomposition** *Materials*: Iron sulfate (FeSO₄) or iron nitrate (Fe(NO₃)₃), heat-resistant container, heat source. 1. Place iron sulfate/nitrate in a crucible. 2. Heat strongly using a torch or furnace. The compound decomposes, releasing gases and leaving iron oxide residue. 3. Cool, then collect the powder. **Safety Tips** Work in a well-ventilated area. Wear gloves and goggles. Avoid inhaling fumes during heating. Dispose of chemicals properly. **Notes** The rusting method is slower but safer. Thermal decomposition is faster but requires handling high heat and chemicals. Store iron oxide in a sealed container. Use it for DIY projects, science experiments, or art. Always prioritize safety and local regulations.

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