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Stability: stable, soluble in hydrochloric acid, sulfuric acid is generated +3 price of iron salt.
Solubility: insoluble in water, not reacting with water.
Oxidizing: (high temperature) are CO, H2, Al, C, Si, etc. restoration.
Form of existence: Mineral: Hematite, ocher
Synonyms: ferric oxide, iron oxide red, iron-Dan, hematite, rust
iron oxide