Other names: Ferric oxide, Hematite, Ferric ironRed iron oxide, Rouge, Maghemite, Colcothar, Iron sesquioxide, Rust, Ochre, Iron oxide dust and fume (as Fe), Iron oxide red, Red oxide, Anhydrous ferric oxide, Iron (III) oxide, Diiron trioxide, Iron trioxide, Ferric sesquioxide, Iron(III) oxide [Iron oxide dust and fume (as Fe)], Iron(III)oxide [Rouge]
Appearance: Red-brown solid ; Reddish brown-to-black crystals or powder ; Reddish-brown solid. [Note: Exposure to fume may occur during the arc-welding of iron.] ; A fine, red powder of ferric oxide. [Note: Usually used in cake form or impregnated in paper or cloth.]
H2O – Water, oxidane
Other names: Water (H2O), Hydrogen hydroxide (HH or HOH), Hydrogen oxideDihydrogen monoxide (DHMO) (systematic name), Hydrogen monoxide, Dihydrogen oxide, Hydric acid, Hydrohydroxic acid, Hydroxic acid, Hydrol, Μ-oxido dihydrogen, Κ1-hydroxyl hydrogen(0)
Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas