… Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of …
Explanatory notes
… azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of … heading each contain two or more elements, one of which is described by the term used (hydrogen, nitrogen, silicon or … of its elements; white masses with a crystalline fracture, decomposing in the cold on contact with water and giving off …