The use of sulphur to vulcanize rubber is to make it? by Sunday | Apr 20 | Chemistry NECO | 0 comments A. blacker B. cheaper C. more elastic D. tougher E. softer Correct Answer: Option D – tougher Users Also Read These:Sulphur is soluble in ethanol but not in water while…Vulcanization of rubber?The repeating unit in natural rubber is?Determine the mass of sulphur (IV) oxide obtained…During the vulcanization of rubber; sulphur is added to?