Which statement is correct?


Which statement is correct?

  1. Synthesis of Buna-S needs nascent oxygen.

  2. Neoprene is an addition copolymer used in plastic bucket manufacturing.

  3. Buna-S is a synthetic and linear thermosetting polymer.

  4. Buna- $\mathrm{N}$ is a natural polymer.

Correct Option: 1


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