<prompt> A poison which is illuminous, translucent and waxy?IodineAmmonium bromideCobra venomYellow phosphorus  <response>: D i.e. Yellow phosphorus - Yellow or white phosphorus exists in translucent, waxy, luminous cylinders of garlicky smell tasteQ. - Iodine occurs as brown bluish-black, soft and scaly crystals with a metallic lusture and unpleasant taste. It gives off violet coloured vapour having a characteristic odour at all temperatures. - Caustic alkalis occurs as white powders. Whereas venom salive of cobra is faint transparent yellow and slightly viscous which becomes slightly turbid when exposed to sun. 