<prompt> THE BED SIDE TEST, WHICH IS USED TO DETECT CYANIDE IS:-MARQUIS TESTLEE JONES TESTMARSH TESTMYDRIATIC TEST  <response>: Relevant explanations to know Poison Tests Cyanide Lee jones test Opium Marquis test Datura Mydriatic test CO Hoppe-Seylers test, Kunkels test Marsh Arsenic Reinsch test Heavy metals LEE JONES TEST : if test reactions shows Greenish-blue colour indicates cyanide, and purplish colour for salicylates. 