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:Which of the following processes are associated with…A synthetic rubber is obtained from the polymerization of?Vulcanization of rubber?Sulphur is soluble in ethanol but not in water while…At least 70% of Nigerian total rubber production comes from?