True or false statements about natural rubber and neoprene

1. A.
   It is formed by addition polymerization.
2. B.
   It is a linear polymer.
3. C.
   It has cis configuration of C=C.
4. D.
   It contains butadiene and styrene as monomer units.

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1. A.
   It is a copolymer and polymerization occurs in presence of MgO.
2. B.
   It is a synthetic rubber.
3. C.
   It is used to prepare hose pipes for transport of gasoline.
4. D.
   The monomer involved in its preparation is unsaturated.

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