Appearance: White crystalline solid (single crystals are transparent) ; Colourless crystals or white hygroscopic powder
H2SO4 – Sulfuric acid
Other names: Oil of vitriol, Sulfuric acid, concentrated (> 51% and < 100%), H2SO4Sulphuric acid, Battery acid, Hydrogen sulfate, [SO2(OH)2], [S(OH)2O2], Sulfuric acid (aqueous)
Appearance: Clear, colorless liquid ; Odourless colourless oily hygroscopic liquid ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]
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
Products:
Ca(TaF7)
CaSO4*2H2O
Names: Gypsum, Gypsum (mineral), Gypsum mineralCalcium(II) sulfate dihydrate, Gypsum stone, Hydrated calcium sulfate, Mineral white, Gypsum Fibrosum, Calcium sulfate dihydrate, [Note: Gypsum is the dihydrate form of calcium sulfate; Plaster of Paris is the hemihydrate form.]
Appearance: White crystalline powder or lumps ; White or nearly white, odorless, crystalline solid.