Which of the following statements is not true? (a) Natural rubber is frans-polyisoprene (b) Buna-S is addition copolymer of butadiene and styrene (c) Natural rubber is cis 1, 4-polymer of isoprene (d) Vulcanisation makes rubber hard due to cross linkages with sulphur.

Which of the following statements is not true? (a) Natural rubber is

1.	Which of the following statements is not true? (a) Natural rubber is frans-polyisoprene (b) Buna-S is addition copolymer of butadiene and styrene (c) Natural rubber is cis 1, 4-polymer of isoprene (d) Vulcanisation makes rubber hard due to cross linkages with sulphur.
Answer» D STATEMENT is not TRUE I HOPE its HELPS for U