The category "Kyanidy" in Czech Wikipedia includes articles related to cyanides. Cyanides are chemical compounds that contain the cyanide ion (CN-). They are highly toxic and can be found in various forms, such as hydrogen cyanide (HCN) and potassium cyanide (KCN). The articles in this category cover topics such as the properties, uses, and toxicology of cyanides, as well as their industrial production and potential environmental impact. Additionally, the category also includes articles on specific cyanide compounds and their applications in various fields, such as chemistry, medicine, and metallurgy.