Other names: Ethine, HC#CH, [CH(CH)]CH#CH, Vinylene, C2H2, Acetylen, Narcylen, [Note: A compressed gas used in the welding & cutting of metals.]
Appearance: Colorless gas ; Colourless gas dissolved in acetone under pressure ; Colorless gas with a faint, ethereal odor. [Note: Commercial grade has a garlic-like odor. Shipped under pressure dissolved in acetone.]
Appearance: White powder ; Colourless crystals or white powder ; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.]
Products:
CaC2 – Calcium carbide
Other names: Calcium acetylide, Acetylenogen
Appearance: White powder to grey/black crystals ; Grey crystals or black lumps with characteristic odour
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