Natural rubber is vulcanised by heating it with

More questions on Rubber and vulcanisation

• Match the rubber in Column I with the monomer(s) in Column II. Column I: (P) Buna-S, (Q) Buna-N, (R) neoprene, (S) natural rubber. Column II... JEE Advanced level
• Buna-S is a copolymer of NEET level
• Ozonolysis of natural rubber followed by reductive work-up (Zn/H2O) cleaves every C=C of the 1,4-polyisoprene chain. The main product is JEE Advanced level
• The mass percentage of chlorine in neoprene (repeat unit -[CH2-C(Cl)=CH-CH2]-, C 12, H 1, Cl 35.5) is closest to JEE Main level
• The monomer unit of natural rubber is NEET level
• Which of the following statements about natural rubber and gutta-percha is/are correct? (One or more options may be correct.) JEE Advanced level