Natural rubber is a polymer of________.

Natural rubber has

Which of the following statements is not true? (1) Chemically, natural rubber is a linear polymer of isoprene (2) During vulcanisation, natural rubber is heated with sulphur at a temperature range between 373 K to 415 K (3) In the manufacture of tyre rubber 5% sulphur is used as cross linking agent (4) Natural rubber is crystalline

Buna-N synthetic rubber is a copolymer of

Natural rubber is an elastomer. Briefly explain the properties of elastomers.

The monomeric unit of natural rubber is________.

Observe the relationship between the first two pairs and fill in the blanks Addition polymer : Polyvinylchloride, Condensation polymer :________.