Question

Which among the following is true ?

(1) Buna-N is a natural polymer

(2) Buna-N's manufacture requires nascent oxygen

(3) Neoprene is addition co-polymer and used in bucket formation

(4) Buna-S is straight linear polymer and is thermosetting plastic

Comments

Polymers, Types of polymers

Answer 1

ANS : B

1. BUNA N is a synthetic polymer made from acrylonitrile and butadiene.

2. Neoprene is a homopolymer.

3. BUNA S is an elastomer/thermoplastic